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Simplifying
x2 + -0.9 = 0
Reorder the terms:
-0.9 + x2 = 0
Solving
-0.9 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '0.9' to each side of the equation.
-0.9 + 0.9 + x2 = 0 + 0.9
Combine like terms: -0.9 + 0.9 = 0.0
0.0 + x2 = 0 + 0.9
x2 = 0 + 0.9
Combine like terms: 0 + 0.9 = 0.9
x2 = 0.9
Simplifying
x2 = 0.9
Take the square root of each side:
x = {-0.948683298, 0.948683298}
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