SOLUTION: Please help me solve this equation {2x-y^2}/ {x-y} x=10 and y=(-5) According to the TI-84 the answer is 3 How?

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Question 200800: Please help me solve this equation
{2x-y^2}/ {x-y}
x=10 and y=(-5)
According to the TI-84 the answer is 3 How?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%282x-y%5E2%29%2F%28x-y%29 Start with the given expression.


%282%2810%29-%28-5%29%5E2%29%2F%2810-%28-5%29%29 Plug in x=10 and y=-5


%282%2810%29-%28-5%29%5E2%29%2F%2810%2B5%29 Rewrite 10-%28-5%29 as 10%2B5


%282%2810%29-25%29%2F%2810%2B5%29 Square -5 to get 25


%2820-25%29%2F%2810%2B5%29 Multiply


%28-5%29%2F%2815%29 Combine like terms.


-1%2F3 Reduce


So %282x-y%5E2%29%2F%28x-y%29=-1%2F3 when x=10 and y=-5


So either you entered the problem in wrong or there's a typo somewhere in your book. Is there something missing? Repost with the clarifications.