2x^2+11x+15=136

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Solution for 2x^2+11x+15=136 equation:


Simplifying
2x2 + 11x + 15 = 136

Reorder the terms:
15 + 11x + 2x2 = 136

Solving
15 + 11x + 2x2 = 136

Solving for variable 'x'.

Reorder the terms:
15 + -136 + 11x + 2x2 = 136 + -136

Combine like terms: 15 + -136 = -121
-121 + 11x + 2x2 = 136 + -136

Combine like terms: 136 + -136 = 0
-121 + 11x + 2x2 = 0

Factor a trinomial.
(-11 + -1x)(11 + -2x) = 0

Subproblem 1

Set the factor '(-11 + -1x)' equal to zero and attempt to solve: Simplifying -11 + -1x = 0 Solving -11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1x = 0 + 11 -1x = 0 + 11 Combine like terms: 0 + 11 = 11 -1x = 11 Divide each side by '-1'. x = -11 Simplifying x = -11

Subproblem 2

Set the factor '(11 + -2x)' equal to zero and attempt to solve: Simplifying 11 + -2x = 0 Solving 11 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -2x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -2x = 0 + -11 -2x = 0 + -11 Combine like terms: 0 + -11 = -11 -2x = -11 Divide each side by '-2'. x = 5.5 Simplifying x = 5.5

Solution

x = {-11, 5.5}

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