Answer:
Step-by-step explanation:
Hi,
[tex](q-4)(q+3)(3q+5)= (q^2+3q-4q-12)(3q+5)\\\\= (q^2-q-12)(3q+5) = 3q^3-3q^2-36q+5q^2-5q-60\\\\= 3q^2+2q^2-41q-60[/tex]
hope this helps
