Question

сократите дробь: а) 3x^2/15x^3 б) 2x-8/3x-12 в) x^2-9/(x+3)^2

Answer 1

a)1/5x....b) 2/3.....c)(x-3)/(x+3)

Answer 2

a) 1/5x
б) 2(х-4)/3(х-4)=2/3
в) (х+3)(х-3)/(x+3)^2= х-3/х+3