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Simplifying (z + 2)(z + 8) = 0 Reorder the terms: (2 + z)(z + 8) = 0 Reorder the terms: (2 + z)(8 + z) = 0 Multiply (2 + z) * (8 + z) (2(8 + z) + z(8 + z)) = 0 ((8 * 2 + z * 2) + z(8 + z)) = 0 ((16 + 2z) + z(8 + z)) = 0 (16 + 2z + (8 * z + z * z)) = 0 (16 + 2z + (8z + z2)) = 0 Combine like terms: 2z + 8z = 10z (16 + 10z + z2) = 0 Solving 16 + 10z + z2 = 0 Solving for variable 'z'. Factor a trinomial. (8 + z)(2 + z) = 0Subproblem 1
Set the factor '(8 + z)' equal to zero and attempt to solve: Simplifying 8 + z = 0 Solving 8 + z = 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 + z = 0 + -8 Combine like terms: 8 + -8 = 0 0 + z = 0 + -8 z = 0 + -8 Combine like terms: 0 + -8 = -8 z = -8 Simplifying z = -8Subproblem 2
Set the factor '(2 + z)' equal to zero and attempt to solve: Simplifying 2 + z = 0 Solving 2 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + z = 0 + -2 z = 0 + -2 Combine like terms: 0 + -2 = -2 z = -2 Simplifying z = -2Solution
z = {-8, -2}
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