2t^2-87-90=0

Solution for 2t^2-87-90=0 equation:

Simplifying
2t2 + -87 + -90 = 0

Reorder the terms:
-87 + -90 + 2t2 = 0

Combine like terms: -87 + -90 = -177
-177 + 2t2 = 0

Solving
-177 + 2t2 = 0

Solving for variable 't'.

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

Add '177' to each side of the equation.
-177 + 177 + 2t2 = 0 + 177

Combine like terms: -177 + 177 = 0
0 + 2t2 = 0 + 177
2t2 = 0 + 177

Combine like terms: 0 + 177 = 177
2t2 = 177

Divide each side by '2'.
t2 = 88.5

Simplifying
t2 = 88.5

Take the square root of each side:
t = {-9.407443861, 9.407443861}