4x^2=12x+27

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Solution for 4x^2=12x+27 equation:


Simplifying
4x2 = 12x + 27

Reorder the terms:
4x2 = 27 + 12x

Solving
4x2 = 27 + 12x

Solving for variable 'x'.

Reorder the terms:
-27 + -12x + 4x2 = 27 + 12x + -27 + -12x

Reorder the terms:
-27 + -12x + 4x2 = 27 + -27 + 12x + -12x

Combine like terms: 27 + -27 = 0
-27 + -12x + 4x2 = 0 + 12x + -12x
-27 + -12x + 4x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-27 + -12x + 4x2 = 0

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

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

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 = {-1.5, 4.5}

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