Объяснение:
(2y²+9y-5)/(4y²-1)= [(x+5)(x-1/2)] /4(y²-1/4)=
=[(x+5)(x-1/2)] /[ 4(y+1/2)(4-1/2)]= (x+5)/(4y+2)
Объяснение:
(2y²+9y-5)/(4y²-1)= [(x+5)(x-1/2)] /4(y²-1/4)=
=[(x+5)(x-1/2)] /[ 4(y+1/2)(4-1/2)]= (x+5)/(4y+2)