-25x^2+64=

Solution for -25x^2+64= equation:

Simplifying
-25x2 + 64 = 0

Reorder the terms:
64 + -25x2 = 0

Solving
64 + -25x2 = 0

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + -25x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -25x2 = 0 + -64
-25x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-25x2 = -64

Divide each side by '-25'.
x2 = 2.56

Simplifying
x2 = 2.56

Take the square root of each side:
x = {-1.6, 1.6}