13x^2+84x=160

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Solution for 13x^2+84x=160 equation:


Simplifying
13x2 + 84x = 160

Reorder the terms:
84x + 13x2 = 160

Solving
84x + 13x2 = 160

Solving for variable 'x'.

Reorder the terms:
-160 + 84x + 13x2 = 160 + -160

Combine like terms: 160 + -160 = 0
-160 + 84x + 13x2 = 0

Factor a trinomial.
(-8 + -1x)(20 + -13x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(20 + -13x)' equal to zero and attempt to solve: Simplifying 20 + -13x = 0 Solving 20 + -13x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -13x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -13x = 0 + -20 -13x = 0 + -20 Combine like terms: 0 + -20 = -20 -13x = -20 Divide each side by '-13'. x = 1.538461538 Simplifying x = 1.538461538

Solution

x = {-8, 1.538461538}

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