Умоляю 35 а) (-4a^2b^5)(0,5ab^3)^3 б) (a2+15a++15a-14) в) 9a^2b(7a^2-5ab-4b^2)

а) (-4a^2b^5)(0,5ab^3)^3 =-4a^2b^5*0,125a^3b^9=--0,5a^5b^14

б) (a2+15a+14)-(a^2+15a-14) =a^2+15a+14-a^2-15a+14=28

в) 9a^2b(7a^2-5ab-4b^2)=63a^4b-45a^3b^2-36a^2b^3