3x^2+6x-18=10-11x

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Solution for 3x^2+6x-18=10-11x equation:


Simplifying
3x2 + 6x + -18 = 10 + -11x

Reorder the terms:
-18 + 6x + 3x2 = 10 + -11x

Solving
-18 + 6x + 3x2 = 10 + -11x

Solving for variable 'x'.

Reorder the terms:
-18 + -10 + 6x + 11x + 3x2 = 10 + -11x + -10 + 11x

Combine like terms: -18 + -10 = -28
-28 + 6x + 11x + 3x2 = 10 + -11x + -10 + 11x

Combine like terms: 6x + 11x = 17x
-28 + 17x + 3x2 = 10 + -11x + -10 + 11x

Reorder the terms:
-28 + 17x + 3x2 = 10 + -10 + -11x + 11x

Combine like terms: 10 + -10 = 0
-28 + 17x + 3x2 = 0 + -11x + 11x
-28 + 17x + 3x2 = -11x + 11x

Combine like terms: -11x + 11x = 0
-28 + 17x + 3x2 = 0

Factor a trinomial.
(-7 + -1x)(4 + -3x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 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 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {-7, 1.333333333}

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