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Simplifying
x2 + -3.5 = 0
Reorder the terms:
-3.5 + x2 = 0
Solving
-3.5 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '3.5' to each side of the equation.
-3.5 + 3.5 + x2 = 0 + 3.5
Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x2 = 0 + 3.5
x2 = 0 + 3.5
Combine like terms: 0 + 3.5 = 3.5
x2 = 3.5
Simplifying
x2 = 3.5
Take the square root of each side:
x = {-1.870828693, 1.870828693}
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