5x^2=39x+54

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Solution for 5x^2=39x+54 equation:


Simplifying
5x2 = 39x + 54

Reorder the terms:
5x2 = 54 + 39x

Solving
5x2 = 54 + 39x

Solving for variable 'x'.

Reorder the terms:
-54 + -39x + 5x2 = 54 + 39x + -54 + -39x

Reorder the terms:
-54 + -39x + 5x2 = 54 + -54 + 39x + -39x

Combine like terms: 54 + -54 = 0
-54 + -39x + 5x2 = 0 + 39x + -39x
-54 + -39x + 5x2 = 39x + -39x

Combine like terms: 39x + -39x = 0
-54 + -39x + 5x2 = 0

Factor a trinomial.
(-6 + -5x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-6 + -5x)' equal to zero and attempt to solve: Simplifying -6 + -5x = 0 Solving -6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -5x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -5x = 0 + 6 -5x = 0 + 6 Combine like terms: 0 + 6 = 6 -5x = 6 Divide each side by '-5'. x = -1.2 Simplifying x = -1.2

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-1.2, 9}

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