Jawabanmu

Jawaban paling cerdas!
2014-08-27T07:52:52+07:00
A.20y-100
b.5x²-24x-5
2014-08-27T08:07:45+07:00
A. =(10.2y)-(10.10)
    =20y-100
b. =x.5x+x.(-1)+5.5x+5.(-1)
    =5x^2-x+25x-5
    =5x^2+24x-5