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Simplifying q2 + 5q + -84 = 0 Reorder the terms: -84 + 5q + q2 = 0 Solving -84 + 5q + q2 = 0 Solving for variable 'q'. Factor a trinomial. (-12 + -1q)(7 + -1q) = 0Subproblem 1
Set the factor '(-12 + -1q)' equal to zero and attempt to solve: Simplifying -12 + -1q = 0 Solving -12 + -1q = 0 Move all terms containing q to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1q = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1q = 0 + 12 -1q = 0 + 12 Combine like terms: 0 + 12 = 12 -1q = 12 Divide each side by '-1'. q = -12 Simplifying q = -12Subproblem 2
Set the factor '(7 + -1q)' equal to zero and attempt to solve: Simplifying 7 + -1q = 0 Solving 7 + -1q = 0 Move all terms containing q to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1q = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1q = 0 + -7 -1q = 0 + -7 Combine like terms: 0 + -7 = -7 -1q = -7 Divide each side by '-1'. q = 7 Simplifying q = 7Solution
q = {-12, 7}
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