Answer:
3b^2+2b-8 Hope that helps !
Step-by-step explanation:
1. Use the FoIL method: (a+b)(c+d)= ac+ad+bc+bd 3b^2+6b-4b-8
2. Collect like terms 3b^2+(6b-4b)-8
3. Simplify which would give you your answer: 3b^2+2b-8
