(4x^2-12x+9)-16=-16

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Solution for (4x^2-12x+9)-16=-16 equation:


Simplifying
(4x2 + -12x + 9) + -16 = -16

Reorder the terms:
(9 + -12x + 4x2) + -16 = -16

Remove parenthesis around (9 + -12x + 4x2)
9 + -12x + 4x2 + -16 = -16

Reorder the terms:
9 + -16 + -12x + 4x2 = -16

Combine like terms: 9 + -16 = -7
-7 + -12x + 4x2 = -16

Solving
-7 + -12x + 4x2 = -16

Solving for variable 'x'.

Reorder the terms:
-7 + 16 + -12x + 4x2 = -16 + 16

Combine like terms: -7 + 16 = 9
9 + -12x + 4x2 = -16 + 16

Combine like terms: -16 + 16 = 0
9 + -12x + 4x2 = 0

Factor a trinomial.
(3 + -2x)(3 + -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 '(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 = {1.5, 1.5}

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