-10x^2+810=0

Solution for -10x^2+810=0 equation:

Simplifying
-10x2 + 810 = 0

Reorder the terms:
810 + -10x2 = 0

Solving
810 + -10x2 = 0

Solving for variable 'x'.

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

Add '-810' to each side of the equation.
810 + -810 + -10x2 = 0 + -810

Combine like terms: 810 + -810 = 0
0 + -10x2 = 0 + -810
-10x2 = 0 + -810

Combine like terms: 0 + -810 = -810
-10x2 = -810

Divide each side by '-10'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}