foil Multiplication (2n+4)•(4n+7)
(2n+4)x(4n+7)= 8n^2+14x+16n+28=8n^2+30n+28 that's it :) !!
Step 1: 8n+14n+12n+28
Step 2 Combine like terms: 8n+26+28
Final Answer: 34n+28