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Simplifying
40 + -1x2 = 0
Solving
40 + -1x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-40' to each side of the equation.
40 + -40 + -1x2 = 0 + -40
Combine like terms: 40 + -40 = 0
0 + -1x2 = 0 + -40
-1x2 = 0 + -40
Combine like terms: 0 + -40 = -40
-1x2 = -40
Divide each side by '-1'.
x2 = 40
Simplifying
x2 = 40
Take the square root of each side:
x = {-6.32455532, 6.32455532}
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