Answer:
Step-by-step explanation:
4x-2(x-6)-x=4x-2x-x+12
=x+12
Since , we know that must be a factor of , so . Then the zeros of are , and their product is -108, whose absolute value is 108.
4r^-3 * 2r^2 =
4*(2r^(-3+2))
= 4*2r^-1
= 4*2(1/r)
= 4*(2/r)
=8/r