15x^2+31x=-10

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Solution for 15x^2+31x=-10 equation:


Simplifying
15x2 + 31x = -10

Reorder the terms:
31x + 15x2 = -10

Solving
31x + 15x2 = -10

Solving for variable 'x'.

Reorder the terms:
10 + 31x + 15x2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + 31x + 15x2 = 0

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

Subproblem 1

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 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 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

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 = {-1.666666667, -0.4}

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