3x^2+18x-2x-12=2x^2+x+16x+8

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Solution for 3x^2+18x-2x-12=2x^2+x+16x+8 equation:


Simplifying
3x2 + 18x + -2x + -12 = 2x2 + x + 16x + 8

Reorder the terms:
-12 + 18x + -2x + 3x2 = 2x2 + x + 16x + 8

Combine like terms: 18x + -2x = 16x
-12 + 16x + 3x2 = 2x2 + x + 16x + 8

Reorder the terms:
-12 + 16x + 3x2 = 8 + x + 16x + 2x2

Combine like terms: x + 16x = 17x
-12 + 16x + 3x2 = 8 + 17x + 2x2

Solving
-12 + 16x + 3x2 = 8 + 17x + 2x2

Solving for variable 'x'.

Reorder the terms:
-12 + -8 + 16x + -17x + 3x2 + -2x2 = 8 + 17x + 2x2 + -8 + -17x + -2x2

Combine like terms: -12 + -8 = -20
-20 + 16x + -17x + 3x2 + -2x2 = 8 + 17x + 2x2 + -8 + -17x + -2x2

Combine like terms: 16x + -17x = -1x
-20 + -1x + 3x2 + -2x2 = 8 + 17x + 2x2 + -8 + -17x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
-20 + -1x + 1x2 = 8 + 17x + 2x2 + -8 + -17x + -2x2

Reorder the terms:
-20 + -1x + 1x2 = 8 + -8 + 17x + -17x + 2x2 + -2x2

Combine like terms: 8 + -8 = 0
-20 + -1x + 1x2 = 0 + 17x + -17x + 2x2 + -2x2
-20 + -1x + 1x2 = 17x + -17x + 2x2 + -2x2

Combine like terms: 17x + -17x = 0
-20 + -1x + 1x2 = 0 + 2x2 + -2x2
-20 + -1x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-20 + -1x + 1x2 = 0

Factor a trinomial.
(-4 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-4, 5}

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