3x^2-22x=-2x^2-3x-12

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Solution for 3x^2-22x=-2x^2-3x-12 equation:


Simplifying
3x2 + -22x = -2x2 + -3x + -12

Reorder the terms:
-22x + 3x2 = -2x2 + -3x + -12

Reorder the terms:
-22x + 3x2 = -12 + -3x + -2x2

Solving
-22x + 3x2 = -12 + -3x + -2x2

Solving for variable 'x'.

Reorder the terms:
12 + -22x + 3x + 3x2 + 2x2 = -12 + -3x + -2x2 + 12 + 3x + 2x2

Combine like terms: -22x + 3x = -19x
12 + -19x + 3x2 + 2x2 = -12 + -3x + -2x2 + 12 + 3x + 2x2

Combine like terms: 3x2 + 2x2 = 5x2
12 + -19x + 5x2 = -12 + -3x + -2x2 + 12 + 3x + 2x2

Reorder the terms:
12 + -19x + 5x2 = -12 + 12 + -3x + 3x + -2x2 + 2x2

Combine like terms: -12 + 12 = 0
12 + -19x + 5x2 = 0 + -3x + 3x + -2x2 + 2x2
12 + -19x + 5x2 = -3x + 3x + -2x2 + 2x2

Combine like terms: -3x + 3x = 0
12 + -19x + 5x2 = 0 + -2x2 + 2x2
12 + -19x + 5x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
12 + -19x + 5x2 = 0

Factor a trinomial.
(4 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(4 + -5x)' equal to zero and attempt to solve: Simplifying 4 + -5x = 0 Solving 4 + -5x = 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 + -5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5x = 0 + -4 -5x = 0 + -4 Combine like terms: 0 + -4 = -4 -5x = -4 Divide each side by '-5'. x = 0.8 Simplifying x = 0.8

Subproblem 2

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

Solution

x = {0.8, 3}

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