0=t^2-45-40

Solution for 0=t^2-45-40 equation:

Simplifying
0 = t2 + -45 + -40

Reorder the terms:
0 = -45 + -40 + t2

Combine like terms: -45 + -40 = -85
0 = -85 + t2

Solving
0 = -85 + t2

Solving for variable 't'.

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

Add '-1t2' to each side of the equation.
0 + -1t2 = -85 + t2 + -1t2
Remove the zero:
-1t2 = -85 + t2 + -1t2

Combine like terms: t2 + -1t2 = 0
-1t2 = -85 + 0
-1t2 = -85

Divide each side by '-1'.
t2 = 85

Simplifying
t2 = 85

Take the square root of each side:
t = {-9.219544457, 9.219544457}