77x^2+54x+9=0

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Solution for 77x^2+54x+9=0 equation:


Simplifying
77x2 + 54x + 9 = 0

Reorder the terms:
9 + 54x + 77x2 = 0

Solving
9 + 54x + 77x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + 7x)(3 + 11x) = 0

Subproblem 1

Set the factor '(3 + 7x)' equal to zero and attempt to solve: Simplifying 3 + 7x = 0 Solving 3 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7x = 0 + -3 7x = 0 + -3 Combine like terms: 0 + -3 = -3 7x = -3 Divide each side by '7'. x = -0.4285714286 Simplifying x = -0.4285714286

Subproblem 2

Set the factor '(3 + 11x)' equal to zero and attempt to solve: Simplifying 3 + 11x = 0 Solving 3 + 11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 11x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 11x = 0 + -3 11x = 0 + -3 Combine like terms: 0 + -3 = -3 11x = -3 Divide each side by '11'. x = -0.2727272727 Simplifying x = -0.2727272727

Solution

x = {-0.4285714286, -0.2727272727}

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