11x^2+20x+9=0

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Solution for 11x^2+20x+9=0 equation:


Simplifying
11x2 + 20x + 9 = 0

Reorder the terms:
9 + 20x + 11x2 = 0

Solving
9 + 20x + 11x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + x)(9 + 11x) = 0

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(9 + 11x)' equal to zero and attempt to solve: Simplifying 9 + 11x = 0 Solving 9 + 11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 11x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 11x = 0 + -9 11x = 0 + -9 Combine like terms: 0 + -9 = -9 11x = -9 Divide each side by '11'. x = -0.8181818182 Simplifying x = -0.8181818182

Solution

x = {-1, -0.8181818182}

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