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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)

Respuesta :

Answer:

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

Step-by-step explanation:

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

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