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Simplifying (A + -1)(a + 2) = 0 Reorder the terms: (-1 + A)(a + 2) = 0 Reorder the terms: (-1 + A)(2 + a) = 0 Multiply (-1 + A) * (2 + a) (-1(2 + a) + A(2 + a)) = 0 ((2 * -1 + a * -1) + A(2 + a)) = 0 ((-2 + -1a) + A(2 + a)) = 0 (-2 + -1a + (2 * A + a * A)) = 0 (-2 + -1a + (2A + aA)) = 0 Reorder the terms: (-2 + 2A + -1a + aA) = 0 (-2 + 2A + -1a + aA) = 0 Solving -2 + 2A + -1a + aA = 0 Solving for variable 'A'. Move all terms containing A to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2A + -1a + 2 + aA = 0 + 2 Reorder the terms: -2 + 2 + 2A + -1a + aA = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 2A + -1a + aA = 0 + 2 2A + -1a + aA = 0 + 2 Combine like terms: 0 + 2 = 2 2A + -1a + aA = 2 Add 'a' to each side of the equation. 2A + -1a + a + aA = 2 + a Combine like terms: -1a + a = 0 2A + 0 + aA = 2 + a 2A + aA = 2 + a Reorder the terms: -2 + 2A + -1a + aA = 2 + a + -2 + -1a Reorder the terms: -2 + 2A + -1a + aA = 2 + -2 + a + -1a Combine like terms: 2 + -2 = 0 -2 + 2A + -1a + aA = 0 + a + -1a -2 + 2A + -1a + aA = a + -1a Combine like terms: a + -1a = 0 -2 + 2A + -1a + aA = 0 The solution to this equation could not be determined.
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