-3x^2-x+116=-2x^2+9x+125

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Solution for -3x^2-x+116=-2x^2+9x+125 equation:


Simplifying
-3x2 + -1x + 116 = -2x2 + 9x + 125

Reorder the terms:
116 + -1x + -3x2 = -2x2 + 9x + 125

Reorder the terms:
116 + -1x + -3x2 = 125 + 9x + -2x2

Solving
116 + -1x + -3x2 = 125 + 9x + -2x2

Solving for variable 'x'.

Reorder the terms:
116 + -125 + -1x + -9x + -3x2 + 2x2 = 125 + 9x + -2x2 + -125 + -9x + 2x2

Combine like terms: 116 + -125 = -9
-9 + -1x + -9x + -3x2 + 2x2 = 125 + 9x + -2x2 + -125 + -9x + 2x2

Combine like terms: -1x + -9x = -10x
-9 + -10x + -3x2 + 2x2 = 125 + 9x + -2x2 + -125 + -9x + 2x2

Combine like terms: -3x2 + 2x2 = -1x2
-9 + -10x + -1x2 = 125 + 9x + -2x2 + -125 + -9x + 2x2

Reorder the terms:
-9 + -10x + -1x2 = 125 + -125 + 9x + -9x + -2x2 + 2x2

Combine like terms: 125 + -125 = 0
-9 + -10x + -1x2 = 0 + 9x + -9x + -2x2 + 2x2
-9 + -10x + -1x2 = 9x + -9x + -2x2 + 2x2

Combine like terms: 9x + -9x = 0
-9 + -10x + -1x2 = 0 + -2x2 + 2x2
-9 + -10x + -1x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-9 + -10x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(9 + 10x + x2) = 0

Factor a trinomial.
-1((9 + x)(1 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-9, -1}

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