Question

(5-2m) x (3-m) x (12-7m)​

Answer 1

5(3-m) - 2m(3-m) x (12-7m)

(15-5m-6m+2m^2) x (12-7m)

12(2m^2-11m+15) - 7m(2m^2-11m+15)

24m^2-132m+180-14m^3+77m^2-105m

14m^3+101m^2-237m+180

7m^2(2m+13)-3(79m+60) Answer