6x^2-72=11x

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Solution for 6x^2-72=11x equation:


Simplifying
6x2 + -72 = 11x

Reorder the terms:
-72 + 6x2 = 11x

Solving
-72 + 6x2 = 11x

Solving for variable 'x'.

Reorder the terms:
-72 + -11x + 6x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-72 + -11x + 6x2 = 0

Factor a trinomial.
(-8 + -3x)(9 + -2x) = 0

Subproblem 1

Set the factor '(-8 + -3x)' equal to zero and attempt to solve: Simplifying -8 + -3x = 0 Solving -8 + -3x = 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 + -3x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3x = 0 + 8 -3x = 0 + 8 Combine like terms: 0 + 8 = 8 -3x = 8 Divide each side by '-3'. x = -2.666666667 Simplifying x = -2.666666667

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 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 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-2.666666667, 4.5}

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