2x^2-11x=138

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Solution for 2x^2-11x=138 equation:


Simplifying
2x2 + -11x = 138

Reorder the terms:
-11x + 2x2 = 138

Solving
-11x + 2x2 = 138

Solving for variable 'x'.

Reorder the terms:
-138 + -11x + 2x2 = 138 + -138

Combine like terms: 138 + -138 = 0
-138 + -11x + 2x2 = 0

Factor a trinomial.
(-6 + -1x)(23 + -2x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(23 + -2x)' equal to zero and attempt to solve: Simplifying 23 + -2x = 0 Solving 23 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + -2x = 0 + -23 Combine like terms: 23 + -23 = 0 0 + -2x = 0 + -23 -2x = 0 + -23 Combine like terms: 0 + -23 = -23 -2x = -23 Divide each side by '-2'. x = 11.5 Simplifying x = 11.5

Solution

x = {-6, 11.5}

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