2x^2-7+4x^2-6x+40+18x+3=180

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Solution for 2x^2-7+4x^2-6x+40+18x+3=180 equation:


Simplifying
2x2 + -7 + 4x2 + -6x + 40 + 18x + 3 = 180

Reorder the terms:
-7 + 40 + 3 + -6x + 18x + 2x2 + 4x2 = 180

Combine like terms: -7 + 40 = 33
33 + 3 + -6x + 18x + 2x2 + 4x2 = 180

Combine like terms: 33 + 3 = 36
36 + -6x + 18x + 2x2 + 4x2 = 180

Combine like terms: -6x + 18x = 12x
36 + 12x + 2x2 + 4x2 = 180

Combine like terms: 2x2 + 4x2 = 6x2
36 + 12x + 6x2 = 180

Solving
36 + 12x + 6x2 = 180

Solving for variable 'x'.

Reorder the terms:
36 + -180 + 12x + 6x2 = 180 + -180

Combine like terms: 36 + -180 = -144
-144 + 12x + 6x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-144 + 12x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(-24 + 2x + x2) = 0

Factor a trinomial.
6((-6 + -1x)(4 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 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 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

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

Solution

x = {-6, 4}

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