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Simplifying 6z2 = 34z + -20 Reorder the terms: 6z2 = -20 + 34z Solving 6z2 = -20 + 34z Solving for variable 'z'. Reorder the terms: 20 + -34z + 6z2 = -20 + 34z + 20 + -34z Reorder the terms: 20 + -34z + 6z2 = -20 + 20 + 34z + -34z Combine like terms: -20 + 20 = 0 20 + -34z + 6z2 = 0 + 34z + -34z 20 + -34z + 6z2 = 34z + -34z Combine like terms: 34z + -34z = 0 20 + -34z + 6z2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(10 + -17z + 3z2) = 0 Factor a trinomial. 2((2 + -3z)(5 + -1z)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(2 + -3z)' equal to zero and attempt to solve: Simplifying 2 + -3z = 0 Solving 2 + -3z = 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 + -3z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3z = 0 + -2 -3z = 0 + -2 Combine like terms: 0 + -2 = -2 -3z = -2 Divide each side by '-3'. z = 0.6666666667 Simplifying z = 0.6666666667Subproblem 2
Set the factor '(5 + -1z)' equal to zero and attempt to solve: Simplifying 5 + -1z = 0 Solving 5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1z = 0 + -5 -1z = 0 + -5 Combine like terms: 0 + -5 = -5 -1z = -5 Divide each side by '-1'. z = 5 Simplifying z = 5Solution
z = {0.6666666667, 5}
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