If the polynomial 6x ^ 6 - 4x ^ 5 + 9x - 6 is to be factored by grouping , which step should be taken?
A) Factor 2 from 6x ^ 6 - 4x ^ 5
B) Factor from 6x ^ 6 - 4x ^ 5 + 9x
C)Factor from 6x ^ 6 - 4x ^ 5 + 9x .
D) Factor 2x ^ 5 from 6x ^ 6 - 4x ^ 5 and 3 from 9x - 6 .