4u^2=-2u+12

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Solution for 4u^2=-2u+12 equation:


Simplifying
4u2 = -2u + 12

Reorder the terms:
4u2 = 12 + -2u

Solving
4u2 = 12 + -2u

Solving for variable 'u'.

Reorder the terms:
-12 + 2u + 4u2 = 12 + -2u + -12 + 2u

Reorder the terms:
-12 + 2u + 4u2 = 12 + -12 + -2u + 2u

Combine like terms: 12 + -12 = 0
-12 + 2u + 4u2 = 0 + -2u + 2u
-12 + 2u + 4u2 = -2u + 2u

Combine like terms: -2u + 2u = 0
-12 + 2u + 4u2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + u + 2u2) = 0

Factor a trinomial.
2((-2 + -1u)(3 + -2u)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + -1u)' equal to zero and attempt to solve: Simplifying -2 + -1u = 0 Solving -2 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1u = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1u = 0 + 2 -1u = 0 + 2 Combine like terms: 0 + 2 = 2 -1u = 2 Divide each side by '-1'. u = -2 Simplifying u = -2

Subproblem 2

Set the factor '(3 + -2u)' equal to zero and attempt to solve: Simplifying 3 + -2u = 0 Solving 3 + -2u = 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 + -2u = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2u = 0 + -3 -2u = 0 + -3 Combine like terms: 0 + -3 = -3 -2u = -3 Divide each side by '-2'. u = 1.5 Simplifying u = 1.5

Solution

u = {-2, 1.5}

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