Which expression is equivalent to (3+7b-b2)-(10b2+18-8b)?
Which expression is equivalent to (3+7b-b2)-(10b2+18-8b)?
-11b2+15b-15
11b2+15b+21
-9b2-b+21
9b2-b-15
The correct expression equivalent to (3+7b-b2)-(10b2+18-8b) is -9b2 - b + 21
that is incorrect
I apologize for the mistake. Please allow me to correct my response.
The correct expression equivalent to (3+7b-b2)-(10b2+18-8b) is 11b2 + 15b + 21.