4x^2-39x=-27

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Solution for 4x^2-39x=-27 equation:


Simplifying
4x2 + -39x = -27

Reorder the terms:
-39x + 4x2 = -27

Solving
-39x + 4x2 = -27

Solving for variable 'x'.

Reorder the terms:
27 + -39x + 4x2 = -27 + 27

Combine like terms: -27 + 27 = 0
27 + -39x + 4x2 = 0

Factor a trinomial.
(3 + -4x)(9 + -1x) = 0

Subproblem 1

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

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 = {0.75, 9}

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