## Intermediate Algebra (12th Edition)

$7m^{3}$
We are given the polynomial $-m^{3}+2m^{3}+6m^{3}$. We can use the distributive property to combine like terms. $-m^{3}+2m^{3}+6m^{3}=(-1+2+6)m^{3}=7m^{3}$