Răspunsuri

2014-05-07T19:43:42+03:00
X³-15x+125-x+5=(x²-5x-4x+20)(x-6)        x³-16x+130=  x³-6x²-5x²+30x-4x²+24+20x-120         x³-x³+15x²-16x-50x=-130-96     15x²-66x+226=0     mai departe nu stiu