Question

сократите дробь зр2+р-2/4-9р2

Answer 1

$frac{3p^2+p-2}{4-9p^2}= frac{3p^2+3p-2p-2}{(2-3p)(2+3p)}= frac{3p(p+1)-2(p+1)}{(2-3p)(2+3p)}=frac{(3p-2)(p+1)}{(2-3p)(2+3p)}=frac{-(p+1)}{2+3p}=frac{-p-1}{2+3p}.$