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Simplifying
X2 + 9 = 9
Reorder the terms:
9 + X2 = 9
Add '-9' to each side of the equation.
9 + -9 + X2 = 9 + -9
Combine like terms: 9 + -9 = 0
0 + X2 = 9 + -9
X2 = 9 + -9
Combine like terms: 9 + -9 = 0
X2 = 0
Solving
X2 = 0
Solving for variable 'X'.
Move all terms containing X to the left, all other terms to the right.
Simplifying
X2 = 0
Take the square root of each side:
X = {0}
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