Question

If y=x^2+2x+3 find the falue of Y when x=3

Answer 1

Y=18 is the correct answer

Answer 2

If y=x^2+2x+3 when x=3 then y=........

Plug in 3 where x is stated.
Work:

y=(3)^2+2(3)+3
y=9+2(3)+3
y=9+6+3
y=18

Answer: 18