х(х-2)-х(х+3) =
х(х+1)-4(х+1) =
-2х(5+у)+у(4-5х) =
-у(4+7х)-2х(3у+1)
- х²+(х-2у)(х+2у) =
9х²+(2х-3у)(2х+3у) =
3(х²+2х-3)-х(3х-6) =

Question

Алгебра: х(х-2)-х(х+3) = х(х+1)-4(х+1) = -2х(5+у)+у(4-5х) = -у(4+7х)-2х(3у+1) - х²+(х-2у)(х+2у) = 9х²+(2х-3у)(2х+3у) = 3(х²+2х-3)-х(3х-6) =

akinfijevsp058du · Answer

1) -5х2) (х+1)•(х-4)3) -10х-7ху+4у4) -4у-13ху-2х5) -4у²6) 13х²-9у²7) -12х-9...