Question

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

Answer 1

`m^3+m^2`

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`