Answer:
20h^2 + 51h+28
Step-by-step explanation:
We will apply the FOIL method (first, outer, inner, last)
(5h + 4)(4h + 7)
Multiply 5h by 4h, first values, to get 20h^2
Multiply 5h by 7, outer values, to get 35h
Multiply 4 by 4h, inner values, to get 16h
Multiply 4 by 7, last values, to get 28
Now we will add them all up to receive our answer
20h^2 + 35h + 16h + 28 = 20h^2 + 51h + 28
