40x^2-1600=0

Solution for 40x^2-1600=0 equation:

Simplifying
40x2 + -1600 = 0

Reorder the terms:
-1600 + 40x2 = 0

Solving
-1600 + 40x2 = 0

Solving for variable 'x'.

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

Add '1600' to each side of the equation.
-1600 + 1600 + 40x2 = 0 + 1600

Combine like terms: -1600 + 1600 = 0
0 + 40x2 = 0 + 1600
40x2 = 0 + 1600

Combine like terms: 0 + 1600 = 1600
40x2 = 1600

Divide each side by '40'.
x2 = 40

Simplifying
x2 = 40

Take the square root of each side:
x = {-6.32455532, 6.32455532}