-9t^2+25u^2=0

Solution for -9t^2+25u^2=0 equation:

Simplifying
-9t2 + 25u2 = 0

Solving
-9t2 + 25u2 = 0

Solving for variable 't'.

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

Add '-25u2' to each side of the equation.
-9t2 + 25u2 + -25u2 = 0 + -25u2

Combine like terms: 25u2 + -25u2 = 0
-9t2 + 0 = 0 + -25u2
-9t2 = 0 + -25u2
Remove the zero:
-9t2 = -25u2

Divide each side by '-9'.
t2 = 2.777777778u2

Simplifying
t2 = 2.777777778u2

Take the square root of each side:
t = {-1.666666667u, 1.666666667u}