Сократите дроби а)28a^6b^8c^3 36a^7b^8c б)y^2-9x^2 18x^2-6xy

Question

Сократите дроби

а)28a^6b^8c^3

36a^7b^8c

б)y^2-9x^2

18x^2-6xy

Answer 1

1) = (7c^2/9a)

2) = (y-3x)(y+3x)/(6x(3x-y))= -(y+3x)/6x