Question

-7z^7 + (-19z^7)

Please answer, will give all my points

Answer 1

2 terms can be added if exponent value is same....here in both the terms the variable is z^7
so, -7z^2 + (-19z^7)
    =-7z^7-19z^7
    =-26z^7
hope that was an easy one for u