9x^2=-9x-2

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Solution for 9x^2=-9x-2 equation:


Simplifying
9x2 = -9x + -2

Reorder the terms:
9x2 = -2 + -9x

Solving
9x2 = -2 + -9x

Solving for variable 'x'.

Reorder the terms:
2 + 9x + 9x2 = -2 + -9x + 2 + 9x

Reorder the terms:
2 + 9x + 9x2 = -2 + 2 + -9x + 9x

Combine like terms: -2 + 2 = 0
2 + 9x + 9x2 = 0 + -9x + 9x
2 + 9x + 9x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
2 + 9x + 9x2 = 0

Factor a trinomial.
(2 + 3x)(1 + 3x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-0.6666666667, -0.3333333333}

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