640-10t^2=

Solution for 640-10t^2= equation:

Simplifying
640 + -10t2 = 0

Solving
640 + -10t2 = 0

Solving for variable 't'.

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

Add '-640' to each side of the equation.
640 + -640 + -10t2 = 0 + -640

Combine like terms: 640 + -640 = 0
0 + -10t2 = 0 + -640
-10t2 = 0 + -640

Combine like terms: 0 + -640 = -640
-10t2 = -640

Divide each side by '-10'.
t2 = 64

Simplifying
t2 = 64

Take the square root of each side:
t = {-8, 8}