Wiajcie pilne potrzebuje waszej pomocy na teraz  ćw 1 d) x-4/18x * 12/4-x e) 2x-10/x+1 * 3x+3/x-5   ćw 3 d) -6/3-2x ; 9/4x-6 e) 9x/2x+4 ; 6/x+2 pilne na teraz 

x-4/18x * 12/4-x = (x-4)*12/18x*(4-x)=12x-48/72-18x= x-4/4-x=-1 2x-10/x+1*3x+3/x-5 = 6x^+6x-30x-30/(x+1)(x-5)= 6x^-24x-30/x^-5x+x-5=6x^-24x-30/x^-4x-5= 6 ćw. 3 -6/3-2x : 9/4x-6= -6/3-2x*4x-6/9= -24x+36/27-18x = -8x+12/9-6x= -4/3 9x/2x+4:6/x+2= 9x/2x+4*x+2/6= 9x^+18x/12x+24= 9x(x+2)/12(x+2)=3/4