12+x^2-4x+4=x^2

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


Simplifying
12 + x2 + -4x + 4 = x2

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

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

Add '-1x2' to each side of the equation.
16 + -4x + x2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
16 + -4x + 0 = x2 + -1x2
16 + -4x = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
16 + -4x = 0

Solving
16 + -4x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-16' to each side of the equation.
16 + -16 + -4x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -4x = 0 + -16
-4x = 0 + -16

Combine like terms: 0 + -16 = -16
-4x = -16

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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