t^2-18-63=

Solution for t^2-18-63= equation:

Simplifying
t2 + -18 + -63 = 0

Reorder the terms:
-18 + -63 + t2 = 0

Combine like terms: -18 + -63 = -81
-81 + t2 = 0

Solving
-81 + t2 = 0

Solving for variable 't'.

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

Add '81' to each side of the equation.
-81 + 81 + t2 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + t2 = 0 + 81
t2 = 0 + 81

Combine like terms: 0 + 81 = 81
t2 = 81

Simplifying
t2 = 81

Take the square root of each side:
t = {-9, 9}