A)2m^2-3m-14/2m^2-15m+28 сократите дробь b)(3/x-4+4x-6/x^2-3x-4+2x/x+1)*x/2x-3

Question

A)2m^2-3m-14/2m^2-15m+28 сократите дробь
b)(3/x-4+4x-6/x^2-3x-4+2x/x+1)*x/2x-3

Answer 1

6x^2-x-1=0

D=25

x1=-1/3

x2=1/2

6x^2-x-1=6(x+1/3)(x-1/2) вроде так