Respuesta :

Step 1. Apply FOIL method. bb+b*2+8b+8*2

Step 2. bb+2b+8b+8*2

Step 3. Add similar elements. bb+10b+8*2

Step 4. Apply exponent rule. b^2+10b+8*2

Step 5. Multiply the numbers.  b^2+10b+16

b^2+10b+16 is your answer.