Question

Simplify 2x^2 - y for x = 3 and y = -2.

Answer 1

$x=3 \\ y=-2 \\ \\ \hbox{plug the values into the expression:} \\ 2x^2-y=2 \times 3^2-(-2)=2 \times 9 +2=18+2=\boxed{20}$

Answer 2

Answer:

20 and good job to the other person

Step-by-step explanation: