77x^2+54x-80=0

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Solution for 77x^2+54x-80=0 equation:


Simplifying
77x2 + 54x + -80 = 0

Reorder the terms:
-80 + 54x + 77x2 = 0

Solving
-80 + 54x + 77x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -7x)(8 + -11x) = 0

Subproblem 1

Set the factor '(-10 + -7x)' equal to zero and attempt to solve: Simplifying -10 + -7x = 0 Solving -10 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -7x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -7x = 0 + 10 -7x = 0 + 10 Combine like terms: 0 + 10 = 10 -7x = 10 Divide each side by '-7'. x = -1.428571429 Simplifying x = -1.428571429

Subproblem 2

Set the factor '(8 + -11x)' equal to zero and attempt to solve: Simplifying 8 + -11x = 0 Solving 8 + -11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -11x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -11x = 0 + -8 -11x = 0 + -8 Combine like terms: 0 + -8 = -8 -11x = -8 Divide each side by '-11'. x = 0.7272727273 Simplifying x = 0.7272727273

Solution

x = {-1.428571429, 0.7272727273}

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