Answer:
x^2+8x+15
Step-by-step explanation:
You can use FOIL method
(x*x)+(x*5)+(3*x)+(3*5)
x^2+5x+3x+15
32
44$
u multiply 8 by 3 and 5 by 4 and you get 24 and 20 and add 24 and 20 and u get 44
