(1) Y = 10/25 ( 10 * X - X^2)
(2) 20 = 10 * Y + X
what is the easy way to solve this?
i use the "system" and gives me:
{-0.4 * ( X^2 - 10*X) = Y, 20=X + 10*Y}
i want this (kind of) answer:
(X = 0.44 Λ Y = 1.956) V (X = -5.54 Λ Y = 2.45)
![:(](/dot/public/style_emoticons/default/sad.png)
thanks in advance...
![;)](/dot/public/style_emoticons/default/wink2.gif)