-5x^2+20=10

Solution for -5x^2+20=10 equation:

Simplifying
-5x2 + 20 = 10

Reorder the terms:
20 + -5x2 = 10

Solving
20 + -5x2 = 10

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -5x2 = 10 + -20

Combine like terms: 20 + -20 = 0
0 + -5x2 = 10 + -20
-5x2 = 10 + -20

Combine like terms: 10 + -20 = -10
-5x2 = -10

Divide each side by '-5'.
x2 = 2

Simplifying
x2 = 2

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