Question

сократите дробь (3+14b-5b^2)/(3b-b^2 )

Answer 1

-5*b^2/(-b^2 + 3*b) + 14*b/(-b^2 + 3*b) + 3/(-b^2 + 3*b)= (5*b + 1)/b  

Answer 2

$frac{3+14b-5b^2}{3b-b^2}=frac{-5b^2+14b+3}{-b^2+3b}=frac{5b^2-14b-3}{b^2-3b}= \ \=frac{(5b+1)(b-3)}{b(b-3)}=frac{5b+1}{b}$