12u^2-39u-36=0

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Solution for 12u^2-39u-36=0 equation:


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 = -0.75

Subproblem 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 = 4

Solution

u = {-0.75, 4}

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