Question

Which expression is equivalent to 2m^2 - m^2(7-m)+6m^2?

Answer 1

Answer:

$m^3+m^2$

Step-by-step explanation:

=> $2m^2-m^2(7-m)+6m^2$

Collecting like terms and expanding the brackets

=> $2m^2+6m^2-7m^2+m^3$

=> $8m^2-7m^2+m^3$

=> $m^2+m^3$

=> $m^3+m^2$