4x^2+6x-18=12-13x

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Solution for 4x^2+6x-18=12-13x equation:


Simplifying
4x2 + 6x + -18 = 12 + -13x

Reorder the terms:
-18 + 6x + 4x2 = 12 + -13x

Solving
-18 + 6x + 4x2 = 12 + -13x

Solving for variable 'x'.

Reorder the terms:
-18 + -12 + 6x + 13x + 4x2 = 12 + -13x + -12 + 13x

Combine like terms: -18 + -12 = -30
-30 + 6x + 13x + 4x2 = 12 + -13x + -12 + 13x

Combine like terms: 6x + 13x = 19x
-30 + 19x + 4x2 = 12 + -13x + -12 + 13x

Reorder the terms:
-30 + 19x + 4x2 = 12 + -12 + -13x + 13x

Combine like terms: 12 + -12 = 0
-30 + 19x + 4x2 = 0 + -13x + 13x
-30 + 19x + 4x2 = -13x + 13x

Combine like terms: -13x + 13x = 0
-30 + 19x + 4x2 = 0

Factor a trinomial.
(-6 + -1x)(5 + -4x) = 0

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 '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-6, 1.25}

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