kasia: jak zapisać to w postaci iloczynu: 2x3-3x2+1?

Marcin: 2x³-3x²+1 = 2x³-2x²-x²+1 = 2x²(x-1)-(x²-1) = 2x²(x-1)-(x-1)(x+1) = = (x-1)[2x²-(x+1)]= (x-1)(x²-x-1) = delta itd... = 2(x-1)(x+1/2)(x-1)