Answer:
X^2+11x+28
Step-by-step explanation:
FOIL = First, Outer, Inner, Last
First: x times x= x^2
Outer: x times 7= 7x
Inner: 4 times x= 4x
Last: 4 times 7= 28
Since outer and inner are both positive you would add togther. Therefore answer is x^2+11x+28
