2x^2-2x=11x-20

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Solution for 2x^2-2x=11x-20 equation:


Simplifying
2x2 + -2x = 11x + -20

Reorder the terms:
-2x + 2x2 = 11x + -20

Reorder the terms:
-2x + 2x2 = -20 + 11x

Solving
-2x + 2x2 = -20 + 11x

Solving for variable 'x'.

Reorder the terms:
20 + -2x + -11x + 2x2 = -20 + 11x + 20 + -11x

Combine like terms: -2x + -11x = -13x
20 + -13x + 2x2 = -20 + 11x + 20 + -11x

Reorder the terms:
20 + -13x + 2x2 = -20 + 20 + 11x + -11x

Combine like terms: -20 + 20 = 0
20 + -13x + 2x2 = 0 + 11x + -11x
20 + -13x + 2x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
20 + -13x + 2x2 = 0

Factor a trinomial.
(5 + -2x)(4 + -1x) = 0

Subproblem 1

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {2.5, 4}

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