-2x^2-x^2-30x-72=0

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Solution for -2x^2-x^2-30x-72=0 equation:


Simplifying
-2x2 + -1x2 + -30x + -72 = 0

Reorder the terms:
-72 + -30x + -2x2 + -1x2 = 0

Combine like terms: -2x2 + -1x2 = -3x2
-72 + -30x + -3x2 = 0

Solving
-72 + -30x + -3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3'.
-3(24 + 10x + x2) = 0

Factor a trinomial.
-3((6 + x)(4 + x)) = 0

Ignore the factor -3.

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

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

Solution

x = {-6, -4}

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