Trixiesubaid
Answered

answer the following cube of binomials:
1. (a+(2b+3))^3


2. ((x^2+1)^2+(x+2)^2)^3³

Sagot :

1.=(2ab+3a))^3
   =6a^3b^3+9a^3

2.=((2x^2+1)+(x^2+4))^3
   =2x^5+1)+(X^3+12
    =2x^8+13