-4r^2+5r^2+6=0

Solution for -4r^2+5r^2+6=0 equation:

Simplifying
-4r2 + 5r2 + 6 = 0

Reorder the terms:
6 + -4r2 + 5r2 = 0

Combine like terms: -4r2 + 5r2 = 1r2
6 + 1r2 = 0

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

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

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

Divide each side by '1'.
r2 = -6

Simplifying
r2 = -6

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

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

The solution to this equation could not be determined.