3/4*100=3*25=75
4 и 100 сокращаются
Все легко и просто!
36t²-(t-p)² =
(6t-(t-p))(6t+(t-p)) =
(6t-t+p)(6t+t-p) =
(5t+p)(7t-p).
Ответ: (5t+p)(7t-p).
18/25-9/11=198/275-225/275=-27/275-27/275:6/11=-27/275*11/6=-9/50=-0,18
10y/(3y-2)(3y+2) +(y-5)/(3y+2) +(y-3)/(3y-2)=0
10y+(3y-2)(y-5)+(y-3)(3y+2)=0
10y+3y²-15y-2y+10+3y²+2y-9y-6=0
6y²-14y+4=0
D=196-96=100
y1=(14-10)/12=1/3
y2=(14+10)/12=2