3x^2+9x+30=2x^2-2x

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Solution for 3x^2+9x+30=2x^2-2x equation:


Simplifying
3x2 + 9x + 30 = 2x2 + -2x

Reorder the terms:
30 + 9x + 3x2 = 2x2 + -2x

Reorder the terms:
30 + 9x + 3x2 = -2x + 2x2

Solving
30 + 9x + 3x2 = -2x + 2x2

Solving for variable 'x'.

Reorder the terms:
30 + 9x + 2x + 3x2 + -2x2 = -2x + 2x2 + 2x + -2x2

Combine like terms: 9x + 2x = 11x
30 + 11x + 3x2 + -2x2 = -2x + 2x2 + 2x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
30 + 11x + 1x2 = -2x + 2x2 + 2x + -2x2

Reorder the terms:
30 + 11x + 1x2 = -2x + 2x + 2x2 + -2x2

Combine like terms: -2x + 2x = 0
30 + 11x + 1x2 = 0 + 2x2 + -2x2
30 + 11x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
30 + 11x + 1x2 = 0

Factor a trinomial.
(6 + x)(5 + x) = 0

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {-6, -5}

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