77x^2=12-5x

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Solution for 77x^2=12-5x equation:


Simplifying
77x2 = 12 + -5x

Solving
77x2 = 12 + -5x

Solving for variable 'x'.

Reorder the terms:
-12 + 5x + 77x2 = 12 + -5x + -12 + 5x

Reorder the terms:
-12 + 5x + 77x2 = 12 + -12 + -5x + 5x

Combine like terms: 12 + -12 = 0
-12 + 5x + 77x2 = 0 + -5x + 5x
-12 + 5x + 77x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-12 + 5x + 77x2 = 0

Factor a trinomial.
(-3 + -7x)(4 + -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 '(4 + -11x)' equal to zero and attempt to solve: Simplifying 4 + -11x = 0 Solving 4 + -11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -11x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -11x = 0 + -4 -11x = 0 + -4 Combine like terms: 0 + -4 = -4 -11x = -4 Divide each side by '-11'. x = 0.3636363636 Simplifying x = 0.3636363636

Solution

x = {-0.4285714286, 0.3636363636}

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