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Simplifying
x2 + -40 = 144
Reorder the terms:
-40 + x2 = 144
Solving
-40 + x2 = 144
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 + x2 = 144 + 40
Combine like terms: -40 + 40 = 0
0 + x2 = 144 + 40
x2 = 144 + 40
Combine like terms: 144 + 40 = 184
x2 = 184
Simplifying
x2 = 184
Take the square root of each side:
x = {-13.564659966, 13.564659966}
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