51.7k views
4 votes
X^2-2y/y when x=20 and y=x/2

User HubertBlu
by
7.4k points

2 Answers

4 votes

Answer:

398

Explanation:

x^2=400

substitute for y, 2y/y=(2*x/2)/(x/2)=x/(x/2)=x*(2/x)=2

400-2=398

User Ryan Sperzel
by
7.9k points
0 votes

Answer:

I believe its 398

Explanation:


User Cwt
by
7.8k points