Question

упростите произведение

Answer 1

а) 3a^3*7a^2=14a^5
б) b^4*5b^8=5b^12
в) 9x*(-4x^5)=-36x^6
г) (-4a^2)*(-5a)=20^3
д) 3c*5c^2*7c^3=105c^6
e) y*4y^3*(-2y)=-8y^5