Question

PLEASE ANSWER I WILL GIVE 30 POINTS!

Which expressions are equivalent to z + (z + 6) z+(z+6) ?

Choose all answers that apply:
A.) (z+z) + (z+6)(z+z)+(z+6)
B.) (z+6) + 6(z+6)+6
C.) 2(z+3)2(z+3)

Answer 1

So the correct answer is"none of the above".

Explanation:

z+(z+6)=z+z+6=2z+6. \\ \\ (z+z)+(z+6)=z+z+z+6=3z+6. \\ \\ (z+6)+6=z+12 \\ \\