Odpowiedzi

2010-04-07T18:19:03+02:00
X³+3x²+3x+1-4x²-6x-6x+9-x²+6x+9+2x²+4x_4x-8-obliczenie
2010-04-07T18:22:19+02:00
(x+1)³ - (2x-3)² - (x+3)² + 2(x-2)(x+2)=
x³ +3*x*1²+3*x²*1+1³ -(4x² -2*2x*3+9)- (x² +2*x*3+3² )+ 2*(x² -4)=
x³+3x+3x²+1- (4x²-12x+9)-(x²+6x+9)+2x²-8=
x³+3x+3x²+1-4x²+12x-9-x²-6x-9 +2x²-8=
x³+9x-25
2010-04-07T18:24:45+02:00
(x+1)³ - (2x-3)² - (x+3)² + 2(x-2)(x+2)= x³+3x²+3x+1-(4x²-12x+9)-(x²+6x+9)+2x²-8=x³+3x²+3x+1-4x²+12x-9-x²-6x-9+2x²-8= x³+9x-25