x*x+1=210

Solution for x*x+1=210 equation:

Simplifying
x * x + 1 = 210

Multiply x * x
x2 + 1 = 210

Reorder the terms:
1 + x2 = 210

Solving
1 + x2 = 210

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + x2 = 210 + -1

Combine like terms: 1 + -1 = 0
0 + x2 = 210 + -1
x2 = 210 + -1

Combine like terms: 210 + -1 = 209
x2 = 209

Simplifying
x2 = 209

Take the square root of each side:
x = {-14.456832295, 14.456832295}