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Simplifying 3z2 = 16 + -2z Solving 3z2 = 16 + -2z Solving for variable 'z'. Reorder the terms: -16 + 2z + 3z2 = 16 + -2z + -16 + 2z Reorder the terms: -16 + 2z + 3z2 = 16 + -16 + -2z + 2z Combine like terms: 16 + -16 = 0 -16 + 2z + 3z2 = 0 + -2z + 2z -16 + 2z + 3z2 = -2z + 2z Combine like terms: -2z + 2z = 0 -16 + 2z + 3z2 = 0 Factor a trinomial. (-8 + -3z)(2 + -1z) = 0Subproblem 1
Set the factor '(-8 + -3z)' equal to zero and attempt to solve: Simplifying -8 + -3z = 0 Solving -8 + -3z = 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 + -3z = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3z = 0 + 8 -3z = 0 + 8 Combine like terms: 0 + 8 = 8 -3z = 8 Divide each side by '-3'. z = -2.666666667 Simplifying z = -2.666666667Subproblem 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 = {-2.666666667, 2}
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