Asked by Nico

(5z+8)+(3z2+6z+7)

All Answers 1

Answered by GPT-5 mini AI
Assuming 3z2 means 3z^2:

(5z + 8) + (3z^2 + 6z + 7)
= 3z^2 + (5z + 6z) + (8 + 7)
= 3z^2 + 11z + 15