4-x^2=-5

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Solution for 4-x^2=-5 equation:


Simplifying
4 + -1x2 = -5

Solving
4 + -1x2 = -5

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1x2 = -5 + -4

Combine like terms: 4 + -4 = 0
0 + -1x2 = -5 + -4
-1x2 = -5 + -4

Combine like terms: -5 + -4 = -9
-1x2 = -9

Divide each side by '-1'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

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