(x^2)-3x=2x+6

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Solution for (x^2)-3x=2x+6 equation:


Simplifying
(x2) + -3x = 2x + 6
x2 + -3x = 2x + 6

Reorder the terms:
-3x + x2 = 2x + 6

Reorder the terms:
-3x + x2 = 6 + 2x

Solving
-3x + x2 = 6 + 2x

Solving for variable 'x'.

Reorder the terms:
-6 + -3x + -2x + x2 = 6 + 2x + -6 + -2x

Combine like terms: -3x + -2x = -5x
-6 + -5x + x2 = 6 + 2x + -6 + -2x

Reorder the terms:
-6 + -5x + x2 = 6 + -6 + 2x + -2x

Combine like terms: 6 + -6 = 0
-6 + -5x + x2 = 0 + 2x + -2x
-6 + -5x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-6 + -5x + x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-1, 6}

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