-6x^2-40=18x-100

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Solution for -6x^2-40=18x-100 equation:


Simplifying
-6x2 + -40 = 18x + -100

Reorder the terms:
-40 + -6x2 = 18x + -100

Reorder the terms:
-40 + -6x2 = -100 + 18x

Solving
-40 + -6x2 = -100 + 18x

Solving for variable 'x'.

Reorder the terms:
-40 + 100 + -18x + -6x2 = -100 + 18x + 100 + -18x

Combine like terms: -40 + 100 = 60
60 + -18x + -6x2 = -100 + 18x + 100 + -18x

Reorder the terms:
60 + -18x + -6x2 = -100 + 100 + 18x + -18x

Combine like terms: -100 + 100 = 0
60 + -18x + -6x2 = 0 + 18x + -18x
60 + -18x + -6x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
60 + -18x + -6x2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(10 + -3x + -1x2) = 0

Factor a trinomial.
6((2 + -1x)(5 + x)) = 0

Ignore the factor 6.

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {2, -5}

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