2x^2-6x-6-(4x^2+6x+10)=

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Solution for 2x^2-6x-6-(4x^2+6x+10)= equation:


Simplifying
2x2 + -6x + -6 + -1(4x2 + 6x + 10) = 0

Reorder the terms:
2x2 + -6x + -6 + -1(10 + 6x + 4x2) = 0
2x2 + -6x + -6 + (10 * -1 + 6x * -1 + 4x2 * -1) = 0
2x2 + -6x + -6 + (-10 + -6x + -4x2) = 0

Reorder the terms:
-6 + -10 + -6x + -6x + 2x2 + -4x2 = 0

Combine like terms: -6 + -10 = -16
-16 + -6x + -6x + 2x2 + -4x2 = 0

Combine like terms: -6x + -6x = -12x
-16 + -12x + 2x2 + -4x2 = 0

Combine like terms: 2x2 + -4x2 = -2x2
-16 + -12x + -2x2 = 0

Solving
-16 + -12x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-2'.
-2(8 + 6x + x2) = 0

Factor a trinomial.
-2((4 + x)(2 + x)) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-4, -2}

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