Respuesta :

3x-2y

x=5 so 3x is 3x5.

3x5=15

y=3 so 2y is 2x3

2x3=6

15-6=9

hope it helps!

Answer:

If x=5 and y=3 then the expression 3x – y2 = 9

Step-by-step explanation:

3 x 5 = 15

2 x 3 = 6

15 - 6 = 9