Question

Помогите пожалуйста! Срочно надо!!!

Answer 1

6mn(3m-5)/60m²= n(3m-5)/10m

(x-4x)/(6x-3)= -3x/(-3(1-2x))= x/(1-2x)

(z+4y+8z-6y)/(4z-y)= (9z-2y)/(4z-y)

(4-36+8x)/(9-2x)= (8x-32)/(9-2x)

(7d(5c²+d))/21cd= (5c²+d)/3с