x^2+2x=6-3x

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


Simplifying
x2 + 2x = 6 + -3x

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

Solving
2x + x2 = 6 + -3x

Solving for variable 'x'.

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

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

Reorder the terms:
-6 + 5x + x2 = 6 + -6 + -3x + 3x

Combine like terms: 6 + -6 = 0
-6 + 5x + x2 = 0 + -3x + 3x
-6 + 5x + x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-6 + 5x + x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-6, 1}

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