X^2-6X+9=X^2-9

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Solution for X^2-6X+9=X^2-9 equation: 


Simplifying
X2 + -6X + 9 = X2 + -9

Reorder the terms:
9 + -6X + X2 = X2 + -9

Reorder the terms:
9 + -6X + X2 = -9 + X2

Add '-1X2' to each side of the equation.
9 + -6X + X2 + -1X2 = -9 + X2 + -1X2

Combine like terms: X2 + -1X2 = 0
9 + -6X + 0 = -9 + X2 + -1X2
9 + -6X = -9 + X2 + -1X2

Combine like terms: X2 + -1X2 = 0
9 + -6X = -9 + 0
9 + -6X = -9

Solving
9 + -6X = -9

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + -9 + -6X = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -6X = -9 + -9
-6X = -9 + -9

Combine like terms: -9 + -9 = -18
-6X = -18

Divide each side by '-6'.
X = 3

Simplifying
X = 3

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