Question

(12+8x)9/3+2x

Answer 1

(9(12+8x))/(3+2x)

Factor the 4 from each term in the polynomial.
(9(4(3)+4(2x)))/(3+2x)

factor
(9(4(3+2x)))/(3+2x)

Multiply 9 by 4
((36)(3+2x))/(3+2x)

cancel (3+2x)
36