10x^2-390=0

Solution for 10x^2-390=0 equation:

Simplifying
10x2 + -390 = 0

Reorder the terms:
-390 + 10x2 = 0

Solving
-390 + 10x2 = 0

Solving for variable 'x'.

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

Add '390' to each side of the equation.
-390 + 390 + 10x2 = 0 + 390

Combine like terms: -390 + 390 = 0
0 + 10x2 = 0 + 390
10x2 = 0 + 390

Combine like terms: 0 + 390 = 390
10x2 = 390

Divide each side by '10'.
x2 = 39

Simplifying
x2 = 39

Take the square root of each side:
x = {-6.244997998, 6.244997998}