Question

Сократите дробь 2у^2+9у-5/4у^2-1

Answer 1

Ответ:

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)