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Simplifying (z + -9)(z + 3) = -32 Reorder the terms: (-9 + z)(z + 3) = -32 Reorder the terms: (-9 + z)(3 + z) = -32 Multiply (-9 + z) * (3 + z) (-9(3 + z) + z(3 + z)) = -32 ((3 * -9 + z * -9) + z(3 + z)) = -32 ((-27 + -9z) + z(3 + z)) = -32 (-27 + -9z + (3 * z + z * z)) = -32 (-27 + -9z + (3z + z2)) = -32 Combine like terms: -9z + 3z = -6z (-27 + -6z + z2) = -32 Solving -27 + -6z + z2 = -32 Solving for variable 'z'. Reorder the terms: -27 + 32 + -6z + z2 = -32 + 32 Combine like terms: -27 + 32 = 5 5 + -6z + z2 = -32 + 32 Combine like terms: -32 + 32 = 0 5 + -6z + z2 = 0 Factor a trinomial. (1 + -1z)(5 + -1z) = 0Subproblem 1
Set the factor '(1 + -1z)' equal to zero and attempt to solve: Simplifying 1 + -1z = 0 Solving 1 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1z = 0 + -1 -1z = 0 + -1 Combine like terms: 0 + -1 = -1 -1z = -1 Divide each side by '-1'. z = 1 Simplifying z = 1Subproblem 2
Set the factor '(5 + -1z)' equal to zero and attempt to solve: Simplifying 5 + -1z = 0 Solving 5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1z = 0 + -5 -1z = 0 + -5 Combine like terms: 0 + -5 = -5 -1z = -5 Divide each side by '-1'. z = 5 Simplifying z = 5Solution
z = {1, 5}
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