5x^2=-80x-320

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Solution for 5x^2=-80x-320 equation:


Simplifying
5x2 = -80x + -320

Reorder the terms:
5x2 = -320 + -80x

Solving
5x2 = -320 + -80x

Solving for variable 'x'.

Reorder the terms:
320 + 80x + 5x2 = -320 + -80x + 320 + 80x

Reorder the terms:
320 + 80x + 5x2 = -320 + 320 + -80x + 80x

Combine like terms: -320 + 320 = 0
320 + 80x + 5x2 = 0 + -80x + 80x
320 + 80x + 5x2 = -80x + 80x

Combine like terms: -80x + 80x = 0
320 + 80x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(64 + 16x + x2) = 0

Factor a trinomial.
5((8 + x)(8 + x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {-8, -8}

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