0=-16x^2+80

Solution for 0=-16x^2+80 equation:

Simplifying
0 = -16x2 + 80

Reorder the terms:
0 = 80 + -16x2

Solving
0 = 80 + -16x2

Solving for variable 'x'.

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

Add '16x2' to each side of the equation.
0 + 16x2 = 80 + -16x2 + 16x2
Remove the zero:
16x2 = 80 + -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
16x2 = 80 + 0
16x2 = 80

Divide each side by '16'.
x2 = 5

Simplifying
x2 = 5

Take the square root of each side:
x = {-2.236067978, 2.236067978}