9x^2+66x+121=0

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Solution for 9x^2+66x+121=0 equation:


Simplifying
9x2 + 66x + 121 = 0

Reorder the terms:
121 + 66x + 9x2 = 0

Solving
121 + 66x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(11 + 3x)(11 + 3x) = 0

Subproblem 1

Set the factor '(11 + 3x)' equal to zero and attempt to solve: Simplifying 11 + 3x = 0 Solving 11 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 3x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 3x = 0 + -11 3x = 0 + -11 Combine like terms: 0 + -11 = -11 3x = -11 Divide each side by '3'. x = -3.666666667 Simplifying x = -3.666666667

Subproblem 2

Set the factor '(11 + 3x)' equal to zero and attempt to solve: Simplifying 11 + 3x = 0 Solving 11 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 3x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 3x = 0 + -11 3x = 0 + -11 Combine like terms: 0 + -11 = -11 3x = -11 Divide each side by '3'. x = -3.666666667 Simplifying x = -3.666666667

Solution

x = {-3.666666667, -3.666666667}

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