Question

3х(х^2-2х+3) Срочно! -4а(а^2-3ab+7b) (2y^3-6y^2+12)умножить(-1.5y^3) 0.6^2b(3ab^2-8ab+11a^2b^3) -2c^3d^4(8c^2-c^3d+4d^3)

Answer 1

1)=3x^3-6x^2+9x
2)= -4a^3+12a^2b-28ab
3)= -3y^6+9y^5-18y^3
4)=1,8a^3b^3-4,8a^3b^2+11,6a^4b^4
5)= -16c^5d^4+2c^6d^5-8c^3d^7