4x^2+52x=120

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Solution for 4x^2+52x=120 equation:


Simplifying
4x2 + 52x = 120

Reorder the terms:
52x + 4x2 = 120

Solving
52x + 4x2 = 120

Solving for variable 'x'.

Reorder the terms:
-120 + 52x + 4x2 = 120 + -120

Combine like terms: 120 + -120 = 0
-120 + 52x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-30 + 13x + x2) = 0

Factor a trinomial.
4((-15 + -1x)(2 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-15 + -1x)' equal to zero and attempt to solve: Simplifying -15 + -1x = 0 Solving -15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = 0 + 15 -1x = 0 + 15 Combine like terms: 0 + 15 = 15 -1x = 15 Divide each side by '-1'. x = -15 Simplifying x = -15

Subproblem 2

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

Solution

x = {-15, 2}

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