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Simplifying 5z2 + (-27z) = 56 Reorder the terms: (-27z) + 5z2 = 56 Solving (-27z) + 5z2 = 56 Solving for variable 'z'. Reorder the terms: -56 + (-27z) + 5z2 = 56 + -56 Combine like terms: 56 + -56 = 0 -56 + (-27z) + 5z2 = 0 Factor a trinomial. (-8 + -5z)(7 + -1z) = 0Subproblem 1
Set the factor '(-8 + -5z)' equal to zero and attempt to solve: Simplifying -8 + -5z = 0 Solving -8 + -5z = 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 + -5z = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -5z = 0 + 8 -5z = 0 + 8 Combine like terms: 0 + 8 = 8 -5z = 8 Divide each side by '-5'. z = -1.6 Simplifying z = -1.6Subproblem 2
Set the factor '(7 + -1z)' equal to zero and attempt to solve: Simplifying 7 + -1z = 0 Solving 7 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1z = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1z = 0 + -7 -1z = 0 + -7 Combine like terms: 0 + -7 = -7 -1z = -7 Divide each side by '-1'. z = 7 Simplifying z = 7Solution
z = {-1.6, 7}
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