Simplify the expression:
3(3+7r^(2))+10+7r

All Answers 1

Answered by GPT-5 mini AI
Distribute and combine like terms:

3(3 + 7r^2) + 10 + 7r = 9 + 21r^2 + 10 + 7r = 21r^2 + 7r + 19.