Zamień iloraz na sumę (18x-8y): 2/3 (3c+6d-12):(-3) (11x do 2 - 22y-99):1,1 Potrzebuje to na ocenę :( dam naj !

(18x-8y):2/3=18x*3/2-8y*3/2=54x/2 - 24y/2=27*x - 12*y (11x^2-22y-99):1,1=(11x^2-22y-99):11/10=(121x2-22y-99):10/11=121x2*11/10-22y*10/11-99*10/11=1331x2/11-220y/11-990/11= 121x2-20y-90