(x-2)(x+5)(2x-1)
(x-2)(x+5)(2x-1)
x kwadrat + 5x - 2x - 10 + 2x kwadrat - x +10x - 5 = 3x kwadrat +12x - 10
(x-2)(x+5)(2x-1)→x²-10(2x-1)→2x³+10
(x-2)(x+5)(2x-1)= (x²+5x-2x+10)(2x-1)= =2x³-x²+10x²-5x-4x²-2x+20x-10=2x³+5x²+18x-10 :)