15x^2=-2(11x+4)

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Solution for 15x^2=-2(11x+4) equation:


Simplifying
15x2 = -2(11x + 4)

Reorder the terms:
15x2 = -2(4 + 11x)
15x2 = (4 * -2 + 11x * -2)
15x2 = (-8 + -22x)

Solving
15x2 = -8 + -22x

Solving for variable 'x'.

Reorder the terms:
8 + 22x + 15x2 = -8 + -22x + 8 + 22x

Reorder the terms:
8 + 22x + 15x2 = -8 + 8 + -22x + 22x

Combine like terms: -8 + 8 = 0
8 + 22x + 15x2 = 0 + -22x + 22x
8 + 22x + 15x2 = -22x + 22x

Combine like terms: -22x + 22x = 0
8 + 22x + 15x2 = 0

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

Subproblem 1

Set the factor '(4 + 5x)' equal to zero and attempt to solve: Simplifying 4 + 5x = 0 Solving 4 + 5x = 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 + 5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5x = 0 + -4 5x = 0 + -4 Combine like terms: 0 + -4 = -4 5x = -4 Divide each side by '5'. x = -0.8 Simplifying x = -0.8

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 = {-0.8, -0.6666666667}

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