15x^2+28x+6=-6

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Solution for 15x^2+28x+6=-6 equation:


Simplifying
15x2 + 28x + 6 = -6

Reorder the terms:
6 + 28x + 15x2 = -6

Solving
6 + 28x + 15x2 = -6

Solving for variable 'x'.

Reorder the terms:
6 + 6 + 28x + 15x2 = -6 + 6

Combine like terms: 6 + 6 = 12
12 + 28x + 15x2 = -6 + 6

Combine like terms: -6 + 6 = 0
12 + 28x + 15x2 = 0

Factor a trinomial.
(6 + 5x)(2 + 3x) = 0

Subproblem 1

Set the factor '(6 + 5x)' equal to zero and attempt to solve: Simplifying 6 + 5x = 0 Solving 6 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 5x = 0 + -6 5x = 0 + -6 Combine like terms: 0 + -6 = -6 5x = -6 Divide each side by '5'. x = -1.2 Simplifying x = -1.2

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 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 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-1.2, -0.6666666667}

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