3x^2-20=10

Solution for 3x^2-20=10 equation:

Simplifying
3x2 + -20 = 10

Reorder the terms:
-20 + 3x2 = 10

Solving
-20 + 3x2 = 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 + 3x2 = 10 + 20

Combine like terms: -20 + 20 = 0
0 + 3x2 = 10 + 20
3x2 = 10 + 20

Combine like terms: 10 + 20 = 30
3x2 = 30

Divide each side by '3'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}