7-x^2=5

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Solution for 7-x^2=5 equation: 


Simplifying
7 + -1x2 = 5

Solving
7 + -1x2 = 5

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -1x2 = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -1x2 = 5 + -7
-1x2 = 5 + -7

Combine like terms: 5 + -7 = -2
-1x2 = -2

Divide each side by '-1'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

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