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Simplifying (z + 8)(z + -3) = 0 Reorder the terms: (8 + z)(z + -3) = 0 Reorder the terms: (8 + z)(-3 + z) = 0 Multiply (8 + z) * (-3 + z) (8(-3 + z) + z(-3 + z)) = 0 ((-3 * 8 + z * 8) + z(-3 + z)) = 0 ((-24 + 8z) + z(-3 + z)) = 0 (-24 + 8z + (-3 * z + z * z)) = 0 (-24 + 8z + (-3z + z2)) = 0 Combine like terms: 8z + -3z = 5z (-24 + 5z + z2) = 0 Solving -24 + 5z + z2 = 0 Solving for variable 'z'. Factor a trinomial. (-8 + -1z)(3 + -1z) = 0Subproblem 1
Set the factor '(-8 + -1z)' equal to zero and attempt to solve: Simplifying -8 + -1z = 0 Solving -8 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1z = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1z = 0 + 8 -1z = 0 + 8 Combine like terms: 0 + 8 = 8 -1z = 8 Divide each side by '-1'. z = -8 Simplifying z = -8Subproblem 2
Set the factor '(3 + -1z)' equal to zero and attempt to solve: Simplifying 3 + -1z = 0 Solving 3 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1z = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1z = 0 + -3 -1z = 0 + -3 Combine like terms: 0 + -3 = -3 -1z = -3 Divide each side by '-1'. z = 3 Simplifying z = 3Solution
z = {-8, 3}
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