490t^2-90=0

Solution for 490t^2-90=0 equation:

Simplifying
490t2 + -90 = 0

Reorder the terms:
-90 + 490t2 = 0

Solving
-90 + 490t2 = 0

Solving for variable 't'.

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

Add '90' to each side of the equation.
-90 + 90 + 490t2 = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 490t2 = 0 + 90
490t2 = 0 + 90

Combine like terms: 0 + 90 = 90
490t2 = 90

Divide each side by '490'.
t2 = 0.1836734694

Simplifying
t2 = 0.1836734694

Take the square root of each side:
t = {-0.428571429, 0.428571429}