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Simplifying z2 + 11z = 12 Reorder the terms: 11z + z2 = 12 Solving 11z + z2 = 12 Solving for variable 'z'. Reorder the terms: -12 + 11z + z2 = 12 + -12 Combine like terms: 12 + -12 = 0 -12 + 11z + z2 = 0 Factor a trinomial. (-12 + -1z)(1 + -1z) = 0Subproblem 1
Set the factor '(-12 + -1z)' equal to zero and attempt to solve: Simplifying -12 + -1z = 0 Solving -12 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1z = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1z = 0 + 12 -1z = 0 + 12 Combine like terms: 0 + 12 = 12 -1z = 12 Divide each side by '-1'. z = -12 Simplifying z = -12Subproblem 2
Set the factor '(1 + -1z)' equal to zero and attempt to solve: Simplifying 1 + -1z = 0 Solving 1 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1z = 0 + -1 -1z = 0 + -1 Combine like terms: 0 + -1 = -1 -1z = -1 Divide each side by '-1'. z = 1 Simplifying z = 1Solution
z = {-12, 1}
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