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Simplifying
x2 + 6 + -91 = 0
Reorder the terms:
6 + -91 + x2 = 0
Combine like terms: 6 + -91 = -85
-85 + x2 = 0
Solving
-85 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '85' to each side of the equation.
-85 + 85 + x2 = 0 + 85
Combine like terms: -85 + 85 = 0
0 + x2 = 0 + 85
x2 = 0 + 85
Combine like terms: 0 + 85 = 85
x2 = 85
Simplifying
x2 = 85
Take the square root of each side:
x = {-9.219544457, 9.219544457}
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