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Simplifying 9z2 + -14z = 8 Reorder the terms: -14z + 9z2 = 8 Solving -14z + 9z2 = 8 Solving for variable 'z'. Reorder the terms: -8 + -14z + 9z2 = 8 + -8 Combine like terms: 8 + -8 = 0 -8 + -14z + 9z2 = 0 Factor a trinomial. (-4 + -9z)(2 + -1z) = 0Subproblem 1
Set the factor '(-4 + -9z)' equal to zero and attempt to solve: Simplifying -4 + -9z = 0 Solving -4 + -9z = 0 Move all terms containing z to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -9z = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -9z = 0 + 4 -9z = 0 + 4 Combine like terms: 0 + 4 = 4 -9z = 4 Divide each side by '-9'. z = -0.4444444444 Simplifying z = -0.4444444444Subproblem 2
Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 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 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2Solution
z = {-0.4444444444, 2}
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