Question

1)(а+2)^3=
2)(а+3в)^3=
3)(в-4)^3=
4)(2а-3)^3=
5)18а+(а-9)^2=
6)(а+2а)^2-4в^2=

Answer 1

1) a^3+6a^2+12a+8
2)a^3+9a^2b+27ab^2+27b^3
3)b^3-12b^2+48b-64
4)8a^3-36a^2+54a-27
5)a^2+81
6)(3a-2b)x(3a+2b)