160x^2-81=

Solution for 160x^2-81= equation:

Simplifying
160x2 + -81 = 0

Reorder the terms:
-81 + 160x2 = 0

Solving
-81 + 160x2 = 0

Solving for variable 'x'.

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

Add '81' to each side of the equation.
-81 + 81 + 160x2 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 160x2 = 0 + 81
160x2 = 0 + 81

Combine like terms: 0 + 81 = 81
160x2 = 81

Divide each side by '160'.
x2 = 0.50625

Simplifying
x2 = 0.50625

Take the square root of each side:
x = {-0.711512474, 0.711512474}