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Simplifying
2 + -1(4 + -5) = x2
Combine like terms: 4 + -5 = -1
2 + -1(-1) = x2
Multiply -1 * -1
2 + 1 = x2
Combine like terms: 2 + 1 = 3
3 = x2
Solving
3 = x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1x2' to each side of the equation.
3 + -1x2 = x2 + -1x2
Combine like terms: x2 + -1x2 = 0
3 + -1x2 = 0
Add '-3' to each side of the equation.
3 + -3 + -1x2 = 0 + -3
Combine like terms: 3 + -3 = 0
0 + -1x2 = 0 + -3
-1x2 = 0 + -3
Combine like terms: 0 + -3 = -3
-1x2 = -3
Divide each side by '-1'.
x2 = 3
Simplifying
x2 = 3
Take the square root of each side:
x = {-1.732050808, 1.732050808}
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