3(x^2-4x+4)+6(x^2-4x+4)=0

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Solution for 3(x^2-4x+4)+6(x^2-4x+4)=0 equation:


Simplifying
3(x2 + -4x + 4) + 6(x2 + -4x + 4) = 0

Reorder the terms:
3(4 + -4x + x2) + 6(x2 + -4x + 4) = 0
(4 * 3 + -4x * 3 + x2 * 3) + 6(x2 + -4x + 4) = 0
(12 + -12x + 3x2) + 6(x2 + -4x + 4) = 0

Reorder the terms:
12 + -12x + 3x2 + 6(4 + -4x + x2) = 0
12 + -12x + 3x2 + (4 * 6 + -4x * 6 + x2 * 6) = 0
12 + -12x + 3x2 + (24 + -24x + 6x2) = 0

Reorder the terms:
12 + 24 + -12x + -24x + 3x2 + 6x2 = 0

Combine like terms: 12 + 24 = 36
36 + -12x + -24x + 3x2 + 6x2 = 0

Combine like terms: -12x + -24x = -36x
36 + -36x + 3x2 + 6x2 = 0

Combine like terms: 3x2 + 6x2 = 9x2
36 + -36x + 9x2 = 0

Solving
36 + -36x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(4 + -4x + x2) = 0

Factor a trinomial.
9((2 + -1x)(2 + -1x)) = 0

Ignore the factor 9.

Subproblem 1

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

Subproblem 2

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

Solution

x = {2, 2}

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