1.

Simplify z2 + 11z2-5z-11z2+5z

Answer» ONG>ANSWER:

z^2

Step-by-step EXPLANATION:

z^2+11z^2-5z-11z^2+5z

on REARRANGING

z^2+11z^2-11z^2-5z+5z

z^2



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