Question

Разложите на множители: 1) -6x^2+12x-6; 2) 9xy-27xy^3+54x^2y; 3) 25x^2-y^2; 4) 24x^2-168x+296.

Answer 1

Ответ:

1) -6х²+12х-6= -6(х²-2х+1)= -6(х-1)².

2) 9ху-27ху³+54х²у=9ху(1-3у²+6х).

3)25х²-у²=(5х+у)(5х-у).

4)24х²-168х+296=8(3х²-21х+37).