Question

Упростите выражение . все на фотографии

Answer 1

1) 5/49*x^3*y*(7*x*y^4)=5/49*x^3*y*49*x^2*y^8=5*x^5*y^9
2)=5/3*m^5*n*((-3/2)*m^2*n)^4=5/3*m^5*n*(81/16)*m^8*n^4=(5*27/16)*m^13*n^5