4x^2-4x+9=12

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Solution for 4x^2-4x+9=12 equation:


Simplifying
4x2 + -4x + 9 = 12

Reorder the terms:
9 + -4x + 4x2 = 12

Solving
9 + -4x + 4x2 = 12

Solving for variable 'x'.

Reorder the terms:
9 + -12 + -4x + 4x2 = 12 + -12

Combine like terms: 9 + -12 = -3
-3 + -4x + 4x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-3 + -4x + 4x2 = 0

Factor a trinomial.
(-1 + -2x)(3 + -2x) = 0

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

Subproblem 2

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

Solution

x = {-0.5, 1.5}

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