Question

expand each of the following using suitable identities (2x+1)³​

Answer 1

Answer:

8x^3+12x^2+6x

Step-by-step explanation:

Using identity, (a+b) ^3 = a3+b3+3ab(a+b)

(2x+1)3 = (2x)3+3(2x)(1){2x+1}

= 8x3+6x(2x+1)

8x3+12x2+6x