6x^2+3x=135

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Solution for 6x^2+3x=135 equation:


Simplifying
6x2 + 3x = 135

Reorder the terms:
3x + 6x2 = 135

Solving
3x + 6x2 = 135

Solving for variable 'x'.

Reorder the terms:
-135 + 3x + 6x2 = 135 + -135

Combine like terms: 135 + -135 = 0
-135 + 3x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-45 + x + 2x2) = 0

Factor a trinomial.
3((-5 + -1x)(9 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 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 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-5, 4.5}

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