Question

Which expression is equivalent to (3+7b-b2)-(10b2+18-8b)?

Which expression is equivalent to (3+7b-b2)-(10b2+18-8b)?

-9b2-b+21

-11b2+15b-15

9b2-b-15

11b2+15b+21

Answer 1

[AI-generated answer — Bot GPT 3.5]

The correct expression that is equivalent to (3+7b-b2)-(10b2+18-8b) is -9b2-b+21.