8x^2+20x=-8

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Solution for 8x^2+20x=-8 equation:


Simplifying
8x2 + 20x = -8

Reorder the terms:
20x + 8x2 = -8

Solving
20x + 8x2 = -8

Solving for variable 'x'.

Reorder the terms:
8 + 20x + 8x2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + 20x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(2 + 5x + 2x2) = 0

Factor a trinomial.
4((2 + x)(1 + 2x)) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Solution

x = {-2, -0.5}

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