x^2-6x+9+81=x^2

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Solution for x^2-6x+9+81=x^2 equation:


Simplifying
x2 + -6x + 9 + 81 = x2

Reorder the terms:
9 + 81 + -6x + x2 = x2

Combine like terms: 9 + 81 = 90
90 + -6x + x2 = x2

Add '-1x2' to each side of the equation.
90 + -6x + x2 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
90 + -6x + 0 = x2 + -1x2
90 + -6x = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
90 + -6x = 0

Solving
90 + -6x = 0

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + -6x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -6x = 0 + -90
-6x = 0 + -90

Combine like terms: 0 + -90 = -90
-6x = -90

Divide each side by '-6'.
x = 15

Simplifying
x = 15

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