15x^2+26x-12=-20

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Solution for 15x^2+26x-12=-20 equation:


Simplifying
15x2 + 26x + -12 = -20

Reorder the terms:
-12 + 26x + 15x2 = -20

Solving
-12 + 26x + 15x2 = -20

Solving for variable 'x'.

Reorder the terms:
-12 + 20 + 26x + 15x2 = -20 + 20

Combine like terms: -12 + 20 = 8
8 + 26x + 15x2 = -20 + 20

Combine like terms: -20 + 20 = 0
8 + 26x + 15x2 = 0

Factor a trinomial.
(4 + 3x)(2 + 5x) = 0

Subproblem 1

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 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 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Subproblem 2

Set the factor '(2 + 5x)' equal to zero and attempt to solve: Simplifying 2 + 5x = 0 Solving 2 + 5x = 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 + 5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5x = 0 + -2 5x = 0 + -2 Combine like terms: 0 + -2 = -2 5x = -2 Divide each side by '5'. x = -0.4 Simplifying x = -0.4

Solution

x = {-1.333333333, -0.4}

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