6) x^-5x + 6 = 0
Rearranging the terms, we get x^2 - 5x + 6 = 0
This equation can be factored as (x - 2)(x - 3) = 0
Therefore, x = 2 or x = 3
7) 50x^2 + 4x - 54 = 0
This equation can be factored as (10x + 9)(5x - 6) = 0
Therefore, x = -9/10 or x = 6/5
8) 11x^2 - 10x - 21 = 0
This equation can be factored as (11x + 7)(x - 3) = 0
Therefore, x = -7/11 or x = 3
6) x^-5x + 6 = 0
Rearranging the terms, we get x^2 - 5x + 6 = 0
This equation can be factored as (x - 2)(x - 3) = 0
Therefore, x = 2 or x = 3
7) 50x^2 + 4x - 54 = 0
This equation can be factored as (10x + 9)(5x - 6) = 0
Therefore, x = -9/10 or x = 6/5
8) 11x^2 - 10x - 21 = 0
This equation can be factored as (11x + 7)(x - 3) = 0
Therefore, x = -7/11 or x = 3