x*x+7-247=0

Solution for x*x+7-247=0 equation:

Simplifying
x * x + 7 + -247 = 0

Multiply x * x
x2 + 7 + -247 = 0

Reorder the terms:
7 + -247 + x2 = 0

Combine like terms: 7 + -247 = -240
-240 + x2 = 0

Solving
-240 + x2 = 0

Solving for variable 'x'.

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

Add '240' to each side of the equation.
-240 + 240 + x2 = 0 + 240

Combine like terms: -240 + 240 = 0
0 + x2 = 0 + 240
x2 = 0 + 240

Combine like terms: 0 + 240 = 240
x2 = 240

Simplifying
x2 = 240

Take the square root of each side:
x = {-15.491933385, 15.491933385}