(x-2)(x+6)=5x

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Solution for (x-2)(x+6)=5x equation:


Simplifying
(x + -2)(x + 6) = 5x

Reorder the terms:
(-2 + x)(x + 6) = 5x

Reorder the terms:
(-2 + x)(6 + x) = 5x

Multiply (-2 + x) * (6 + x)
(-2(6 + x) + x(6 + x)) = 5x
((6 * -2 + x * -2) + x(6 + x)) = 5x
((-12 + -2x) + x(6 + x)) = 5x
(-12 + -2x + (6 * x + x * x)) = 5x
(-12 + -2x + (6x + x2)) = 5x

Combine like terms: -2x + 6x = 4x
(-12 + 4x + x2) = 5x

Solving
-12 + 4x + x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-12 + 4x + -5x + x2 = 5x + -5x

Combine like terms: 4x + -5x = -1x
-12 + -1x + x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-12 + -1x + x2 = 0

Factor a trinomial.
(-3 + -1x)(4 + -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 '(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 = {-3, 4}

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