Question 171245
4(b^2-4) __ 4(b+2)(b-2)


(m-8)(m-6)


(q^3-q^2)+(2q-2) __ q^2(q-1)+2(q-1) __ (q^2+2)(q-1)


(t^2+9)(t^2-9) __ (t^2+9)(t+3)(t-3)