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Simplifying 12u2 + -39u + -36 = 0 Reorder the terms: -36 + -39u + 12u2 = 0 Solving -36 + -39u + 12u2 = 0 Solving for variable 'u'. Factor out the Greatest Common Factor (GCF), '3'. 3(-12 + -13u + 4u2) = 0 Factor a trinomial. 3((-3 + -4u)(4 + -1u)) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-3 + -4u)' equal to zero and attempt to solve: Simplifying -3 + -4u = 0 Solving -3 + -4u = 0 Move all terms containing u to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4u = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4u = 0 + 3 -4u = 0 + 3 Combine like terms: 0 + 3 = 3 -4u = 3 Divide each side by '-4'. u = -0.75 Simplifying u = -0.75Subproblem 2
Set the factor '(4 + -1u)' equal to zero and attempt to solve: Simplifying 4 + -1u = 0 Solving 4 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1u = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1u = 0 + -4 -1u = 0 + -4 Combine like terms: 0 + -4 = -4 -1u = -4 Divide each side by '-1'. u = 4 Simplifying u = 4Solution
u = {-0.75, 4}
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