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Simplifying x2 + -2x(a + 2) + (a + 1)(a + 3) = 0 Reorder the terms: x2 + -2x(2 + a) + (a + 1)(a + 3) = 0 x2 + (2 * -2x + a * -2x) + (a + 1)(a + 3) = 0 Reorder the terms: x2 + (-2ax + -4x) + (a + 1)(a + 3) = 0 x2 + (-2ax + -4x) + (a + 1)(a + 3) = 0 Reorder the terms: x2 + -2ax + -4x + (1 + a)(a + 3) = 0 Reorder the terms: x2 + -2ax + -4x + (1 + a)(3 + a) = 0 Multiply (1 + a) * (3 + a) x2 + -2ax + -4x + (1(3 + a) + a(3 + a)) = 0 x2 + -2ax + -4x + ((3 * 1 + a * 1) + a(3 + a)) = 0 x2 + -2ax + -4x + ((3 + 1a) + a(3 + a)) = 0 x2 + -2ax + -4x + (3 + 1a + (3 * a + a * a)) = 0 x2 + -2ax + -4x + (3 + 1a + (3a + a2)) = 0 Combine like terms: 1a + 3a = 4a x2 + -2ax + -4x + (3 + 4a + a2) = 0 Reorder the terms: 3 + 4a + -2ax + a2 + -4x + x2 = 0 Solving 3 + 4a + -2ax + a2 + -4x + x2 = 0 Solving for variable 'a'. The solution to this equation could not be determined.
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