-r^2-5t-6=0

Solution for -r^2-5t-6=0 equation:

Simplifying
-1r2 + -5t + -6 = 0

Reorder the terms:
-6 + -1r2 + -5t = 0

Solving
-6 + -1r2 + -5t = 0

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + -1r2 + 6 + -5t = 0 + 6

Reorder the terms:
-6 + 6 + -1r2 + -5t = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -1r2 + -5t = 0 + 6
-1r2 + -5t = 0 + 6

Combine like terms: 0 + 6 = 6
-1r2 + -5t = 6

Add '5t' to each side of the equation.
-1r2 + -5t + 5t = 6 + 5t

Combine like terms: -5t + 5t = 0
-1r2 + 0 = 6 + 5t
-1r2 = 6 + 5t

Divide each side by '-1'.
r2 = -6 + -5t

Simplifying
r2 = -6 + -5t

Reorder the terms:
6 + r2 + 5t = -6 + -5t + 6 + 5t

Reorder the terms:
6 + r2 + 5t = -6 + 6 + -5t + 5t

Combine like terms: -6 + 6 = 0
6 + r2 + 5t = 0 + -5t + 5t
6 + r2 + 5t = -5t + 5t

Combine like terms: -5t + 5t = 0
6 + r2 + 5t = 0

The solution to this equation could not be determined.