Question

(-a)^4·(-a)^3·(-a)= (m^3)^4+m^10·m^2+m·m^5·m^6

Answer 1

(-a)^4·(-a)^3·(-a)

=a^4*(-a^3)*(-a)

=a^8

(m^3)^4+m^10·m^2+m·m^5·m^6

=m^12+m^12+m^12

=3m^12