x^2-4x=x+24

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Solution for x^2-4x=x+24 equation:


Simplifying
x2 + -4x = x + 24

Reorder the terms:
-4x + x2 = x + 24

Reorder the terms:
-4x + x2 = 24 + x

Solving
-4x + x2 = 24 + x

Solving for variable 'x'.

Reorder the terms:
-24 + -4x + -1x + x2 = 24 + x + -24 + -1x

Combine like terms: -4x + -1x = -5x
-24 + -5x + x2 = 24 + x + -24 + -1x

Reorder the terms:
-24 + -5x + x2 = 24 + -24 + x + -1x

Combine like terms: 24 + -24 = 0
-24 + -5x + x2 = 0 + x + -1x
-24 + -5x + x2 = x + -1x

Combine like terms: x + -1x = 0
-24 + -5x + x2 = 0

Factor a trinomial.
(-3 + -1x)(8 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

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

Solution

x = {-3, 8}

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