8x^2+13x=-5

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Solution for 8x^2+13x=-5 equation:


Simplifying
8x2 + 13x = -5

Reorder the terms:
13x + 8x2 = -5

Solving
13x + 8x2 = -5

Solving for variable 'x'.

Reorder the terms:
5 + 13x + 8x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + 13x + 8x2 = 0

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

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(5 + 8x)' equal to zero and attempt to solve: Simplifying 5 + 8x = 0 Solving 5 + 8x = 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 + 8x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 8x = 0 + -5 8x = 0 + -5 Combine like terms: 0 + -5 = -5 8x = -5 Divide each side by '8'. x = -0.625 Simplifying x = -0.625

Solution

x = {-1, -0.625}

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