matematykaszkolna.pl
julka: Rozłoż na czynniki wielomianemotikonka -x5+2x4+4x3-8x2
9 kwi 13:10
_Mithrandir: -x5+2x4+4x3-8x2=-x2(-x3+2x2+4x-8)=x2[-x2(x-2)+4(x-2)]=x2(x-2 )(-x2+4)=-x2(x-2)(x2-4)=x2(x-2)(x-2)(x+2)=x2(x-2)2(x+2)
9 kwi 14:16
DR460N: W(x) = - x5 + 2x4 + 4x3 - 8x2 W(x) = - x2 ( x3 - 2x2 - 4x + 8) W(x) = - x2 [ x2 ( x - 2 ) - 4 ( x - 2 ) ] W(x) = - x2 ( x - 2 ) ( x2 - 4 ) W(x) = - x2 ( x - 2 ) ( x - 2 ) ( x + 2 ) W(x) = - x2 ( x - 2 )2 ( x + 2 )
10 kwi 19:28