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Simplifying (a + -1c)(b + -1c)(a + d)(b + d) = p2 + q2 Multiply (a + -1c) * (b + -1c) (a(b + -1c) + -1c * (b + -1c))(a + d)(b + d) = p2 + q2 ((b * a + -1c * a) + -1c * (b + -1c))(a + d)(b + d) = p2 + q2 ((ab + -1ac) + -1c * (b + -1c))(a + d)(b + d) = p2 + q2 (ab + -1ac + (b * -1c + -1c * -1c))(a + d)(b + d) = p2 + q2 (ab + -1ac + (-1bc + 1c2))(a + d)(b + d) = p2 + q2 (ab + -1ac + -1bc + 1c2)(a + d)(b + d) = p2 + q2 Multiply (ab + -1ac + -1bc + 1c2) * (a + d) (ab(a + d) + -1ac * (a + d) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 ((a * ab + d * ab) + -1ac * (a + d) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 Reorder the terms: ((abd + a2b) + -1ac * (a + d) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 ((abd + a2b) + -1ac * (a + d) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 (abd + a2b + (a * -1ac + d * -1ac) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 Reorder the terms: (abd + a2b + (-1acd + -1a2c) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 (abd + a2b + (-1acd + -1a2c) + -1bc * (a + d) + 1c2 * (a + d))(b + d) = p2 + q2 (abd + a2b + -1acd + -1a2c + (a * -1bc + d * -1bc) + 1c2 * (a + d))(b + d) = p2 + q2 (abd + a2b + -1acd + -1a2c + (-1abc + -1bcd) + 1c2 * (a + d))(b + d) = p2 + q2 (abd + a2b + -1acd + -1a2c + -1abc + -1bcd + (a * 1c2 + d * 1c2))(b + d) = p2 + q2 (abd + a2b + -1acd + -1a2c + -1abc + -1bcd + (1ac2 + 1c2d))(b + d) = p2 + q2 Reorder the terms: (-1abc + abd + -1acd + 1ac2 + a2b + -1a2c + -1bcd + 1c2d)(b + d) = p2 + q2 (-1abc + abd + -1acd + 1ac2 + a2b + -1a2c + -1bcd + 1c2d)(b + d) = p2 + q2 Multiply (-1abc + abd + -1acd + 1ac2 + a2b + -1a2c + -1bcd + 1c2d) * (b + d) (-1abc * (b + d) + abd(b + d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 ((b * -1abc + d * -1abc) + abd(b + d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 Reorder the terms: ((-1abcd + -1ab2c) + abd(b + d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 ((-1abcd + -1ab2c) + abd(b + d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + (b * abd + d * abd) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 Reorder the terms: (-1abcd + -1ab2c + (abd2 + ab2d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + (abd2 + ab2d) + -1acd * (b + d) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + (b * -1acd + d * -1acd) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + (-1abcd + -1acd2) + 1ac2 * (b + d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + (b * 1ac2 + d * 1ac2) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + (1abc2 + 1ac2d) + a2b(b + d) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + (b * a2b + d * a2b) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 Reorder the terms: (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + (a2bd + a2b2) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + (a2bd + a2b2) + -1a2c * (b + d) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + (b * -1a2c + d * -1a2c) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + (-1a2bc + -1a2cd) + -1bcd * (b + d) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + -1a2bc + -1a2cd + (b * -1bcd + d * -1bcd) + 1c2d * (b + d)) = p2 + q2 Reorder the terms: (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + -1a2bc + -1a2cd + (-1bcd2 + -1b2cd) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + -1a2bc + -1a2cd + (-1bcd2 + -1b2cd) + 1c2d * (b + d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + -1a2bc + -1a2cd + -1bcd2 + -1b2cd + (b * 1c2d + d * 1c2d)) = p2 + q2 (-1abcd + -1ab2c + abd2 + ab2d + -1abcd + -1acd2 + 1abc2 + 1ac2d + a2bd + a2b2 + -1a2bc + -1a2cd + -1bcd2 + -1b2cd + (1bc2d + 1c2d2)) = p2 + q2 Reorder the terms: (-1abcd + -1abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2) = p2 + q2 Combine like terms: -1abcd + -1abcd = -2abcd (-2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2) = p2 + q2 Solving -2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2 = p2 + q2 Solving for variable 'a'. Reorder the terms: -2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2 + -1p2 + -1q2 = p2 + -1p2 + q2 + -1q2 Combine like terms: p2 + -1p2 = 0 -2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2 + -1p2 + -1q2 = 0 + q2 + -1q2 -2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2 + -1p2 + -1q2 = q2 + -1q2 Combine like terms: q2 + -1q2 = 0 -2abcd + 1abc2 + abd2 + -1ab2c + ab2d + -1acd2 + 1ac2d + -1a2bc + a2bd + a2b2 + -1a2cd + -1bcd2 + 1bc2d + -1b2cd + 1c2d2 + -1p2 + -1q2 = 0 The solution to this equation could not be determined.
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