Question

. What is the value of the following expression 3x – y2 if x = 5 and y = 3?

Answer 1

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

Explanation:

3 x 5 = 15

2 x 3 = 6

15 - 6 = 9

Answer 2

3x-2y

x=5 so 3x is 3x5.

3x5=15

y=3 so 2y is 2x3

2x3=6

15-6=9

hope it helps!