15x^2+43x=-8

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Solution for 15x^2+43x=-8 equation:


Simplifying
15x2 + 43x = -8

Reorder the terms:
43x + 15x2 = -8

Solving
43x + 15x2 = -8

Solving for variable 'x'.

Reorder the terms:
8 + 43x + 15x2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + 43x + 15x2 = 0

Factor a trinomial.
(8 + 3x)(1 + 5x) = 0

Subproblem 1

Set the factor '(8 + 3x)' equal to zero and attempt to solve: Simplifying 8 + 3x = 0 Solving 8 + 3x = 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 + 3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3x = 0 + -8 3x = 0 + -8 Combine like terms: 0 + -8 = -8 3x = -8 Divide each side by '3'. x = -2.666666667 Simplifying x = -2.666666667

Subproblem 2

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 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 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {-2.666666667, -0.2}

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