(9x^2)=55x+56

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Solution for (9x^2)=55x+56 equation:


Simplifying
(9x2) = 55x + 56

Reorder the terms:
(9x2) = 56 + 55x

Solving
(9x2) = 56 + 55x

Solving for variable 'x'.

Reorder the terms:
-56 + -55x + (9x2) = 56 + 55x + -56 + -55x

Reorder the terms:
-56 + -55x + (9x2) = 56 + -56 + 55x + -55x

Combine like terms: 56 + -56 = 0
-56 + -55x + (9x2) = 0 + 55x + -55x
-56 + -55x + (9x2) = 55x + -55x

Combine like terms: 55x + -55x = 0
-56 + -55x + (9x2) = 0

Factor a trinomial.
(-8 + -9x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-8 + -9x)' equal to zero and attempt to solve: Simplifying -8 + -9x = 0 Solving -8 + -9x = 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 + -9x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -9x = 0 + 8 -9x = 0 + 8 Combine like terms: 0 + 8 = 8 -9x = 8 Divide each side by '-9'. x = -0.8888888889 Simplifying x = -0.8888888889

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-0.8888888889, 7}

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