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Simplifying
X2 + -8 + -1 = 8
Reorder the terms:
-8 + -1 + X2 = 8
Combine like terms: -8 + -1 = -9
-9 + X2 = 8
Solving
-9 + X2 = 8
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 + X2 = 8 + 9
Combine like terms: -9 + 9 = 0
0 + X2 = 8 + 9
X2 = 8 + 9
Combine like terms: 8 + 9 = 17
X2 = 17
Simplifying
X2 = 17
Take the square root of each side:
X = {-4.123105626, 4.123105626}
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