Question

Multiply:(2m2-3m-1) and (4m2-m-1)​

Answer 1

Answer:

(2m2-3m-1) * (4m2-m-1)

= 2m^2 (4m2-m-1) - 3m (4m2-m-1) -1 (4m2-m-1)

= 8m^4 - 2 m^3 -2m^2 -12 m^3 +3m^2 +3m -4m^2 + m +1

= 8m^4 -14 m^3 -3 m^2 +4 m +1