(x-6)*(x-6)=(x*x)-396

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Solution for (x-6)*(x-6)=(x*x)-396 equation:


Simplifying
(x + -6)(x + -6) = (x * x) + -396

Reorder the terms:
(-6 + x)(x + -6) = (x * x) + -396

Reorder the terms:
(-6 + x)(-6 + x) = (x * x) + -396

Multiply (-6 + x) * (-6 + x)
(-6(-6 + x) + x(-6 + x)) = (x * x) + -396
((-6 * -6 + x * -6) + x(-6 + x)) = (x * x) + -396
((36 + -6x) + x(-6 + x)) = (x * x) + -396
(36 + -6x + (-6 * x + x * x)) = (x * x) + -396
(36 + -6x + (-6x + x2)) = (x * x) + -396

Combine like terms: -6x + -6x = -12x
(36 + -12x + x2) = (x * x) + -396

Multiply x * x
36 + -12x + x2 = (x2) + -396
36 + -12x + x2 = x2 + -396

Reorder the terms:
36 + -12x + x2 = -396 + x2

Add '-1x2' to each side of the equation.
36 + -12x + x2 + -1x2 = -396 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + -12x + 0 = -396 + x2 + -1x2
36 + -12x = -396 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + -12x = -396 + 0
36 + -12x = -396

Solving
36 + -12x = -396

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + -12x = -396 + -36

Combine like terms: 36 + -36 = 0
0 + -12x = -396 + -36
-12x = -396 + -36

Combine like terms: -396 + -36 = -432
-12x = -432

Divide each side by '-12'.
x = 36

Simplifying
x = 36

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