x^2-7x=36-2x

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Solution for x^2-7x=36-2x equation:


Simplifying
x2 + -7x = 36 + -2x

Reorder the terms:
-7x + x2 = 36 + -2x

Solving
-7x + x2 = 36 + -2x

Solving for variable 'x'.

Reorder the terms:
-36 + -7x + 2x + x2 = 36 + -2x + -36 + 2x

Combine like terms: -7x + 2x = -5x
-36 + -5x + x2 = 36 + -2x + -36 + 2x

Reorder the terms:
-36 + -5x + x2 = 36 + -36 + -2x + 2x

Combine like terms: 36 + -36 = 0
-36 + -5x + x2 = 0 + -2x + 2x
-36 + -5x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-36 + -5x + x2 = 0

Factor a trinomial.
(-4 + -1x)(9 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-4, 9}

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