Упростить 2у²-5ху х у _______ - ____ - ___ Х²-4у² 2у-х х+2у

Question

Упростить
2у²-5ху х у
_______ - ____ - ___
Х²-4у² 2у-х х+2у

Comments

Решите

Answer 1

2у^2–5ху х у
----------------- + --------- – ------- =
(х-2у)(х+2у) х–2у х+2у

2у^2–5ху+х(х+2у)–у(х–2у)
= --------------------------------------- =
(х–2у)(х+2у)

2у^2–5ху+х^2+2ху–ху+2у^2
= ------------------------------------------- =
(х–2у)(х+2у)

х^2–4ху+2у^2
= ----------------------
(х–2у)(х+2у)