3x^2+6x=6-x

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


Simplifying
3x2 + 6x = 6 + -1x

Reorder the terms:
6x + 3x2 = 6 + -1x

Solving
6x + 3x2 = 6 + -1x

Solving for variable 'x'.

Reorder the terms:
-6 + 6x + x + 3x2 = 6 + -1x + -6 + x

Combine like terms: 6x + x = 7x
-6 + 7x + 3x2 = 6 + -1x + -6 + x

Reorder the terms:
-6 + 7x + 3x2 = 6 + -6 + -1x + x

Combine like terms: 6 + -6 = 0
-6 + 7x + 3x2 = 0 + -1x + x
-6 + 7x + 3x2 = -1x + x

Combine like terms: -1x + x = 0
-6 + 7x + 3x2 = 0

Factor a trinomial.
(-3 + -1x)(2 + -3x) = 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 '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Solution

x = {-3, 0.6666666667}

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