-16x^2+65=0

Solution for -16x^2+65=0 equation:

Simplifying
-16x2 + 65 = 0

Reorder the terms:
65 + -16x2 = 0

Solving
65 + -16x2 = 0

Solving for variable 'x'.

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

Add '-65' to each side of the equation.
65 + -65 + -16x2 = 0 + -65

Combine like terms: 65 + -65 = 0
0 + -16x2 = 0 + -65
-16x2 = 0 + -65

Combine like terms: 0 + -65 = -65
-16x2 = -65

Divide each side by '-16'.
x2 = 4.0625

Simplifying
x2 = 4.0625

Take the square root of each side:
x = {-2.015564437, 2.015564437}