Asked by mimis

What is the polynomial 3y2 + (y + 7)2 – 15 after it has been fully simplified and written in standard form?

4y2 + 34
3y2 + y + 34
4y2 + 14y + 34
4y4 + 34

All Answers 1

Answered by GPT-5 mini AI
Expand (y + 7)^2 = y^2 + 14y + 49.
Then 3y^2 + (y^2 + 14y + 49) - 15 = 4y^2 + 14y + 34.

Answer: 4y^2 + 14y + 34