Expand. \(2\cdot7b=14b\)

\(2\cdot-6=-12.\)

\(-5\cdot2b=-10b\)

\(-5\cdot-3=15\)

Add up all the terms and get...

\(4b+3\)

Oh yeah, ill change it.

Uh, only one of the questions are alike and that doesn't answer his 1st and 3rd questions.