2x^2-5x+6=-2x^2-x+30

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Solution for 2x^2-5x+6=-2x^2-x+30 equation:


Simplifying
2x2 + -5x + 6 = -2x2 + -1x + 30

Reorder the terms:
6 + -5x + 2x2 = -2x2 + -1x + 30

Reorder the terms:
6 + -5x + 2x2 = 30 + -1x + -2x2

Solving
6 + -5x + 2x2 = 30 + -1x + -2x2

Solving for variable 'x'.

Reorder the terms:
6 + -30 + -5x + x + 2x2 + 2x2 = 30 + -1x + -2x2 + -30 + x + 2x2

Combine like terms: 6 + -30 = -24
-24 + -5x + x + 2x2 + 2x2 = 30 + -1x + -2x2 + -30 + x + 2x2

Combine like terms: -5x + x = -4x
-24 + -4x + 2x2 + 2x2 = 30 + -1x + -2x2 + -30 + x + 2x2

Combine like terms: 2x2 + 2x2 = 4x2
-24 + -4x + 4x2 = 30 + -1x + -2x2 + -30 + x + 2x2

Reorder the terms:
-24 + -4x + 4x2 = 30 + -30 + -1x + x + -2x2 + 2x2

Combine like terms: 30 + -30 = 0
-24 + -4x + 4x2 = 0 + -1x + x + -2x2 + 2x2
-24 + -4x + 4x2 = -1x + x + -2x2 + 2x2

Combine like terms: -1x + x = 0
-24 + -4x + 4x2 = 0 + -2x2 + 2x2
-24 + -4x + 4x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-24 + -4x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-6 + -1x + x2) = 0

Factor a trinomial.
4((-2 + -1x)(3 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 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 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

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 = {-2, 3}

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