Question

expand (2x+3)^3 using suitable identity

Answer 1

       

Identity used:  (a + b)³ = a³ + b³ + 3ab(a + b)

$(2x+3)^3 \\ \\ \Rightarrow\ (2x)^3+3^3+3 \times 2x \times 3(2x+3) \\ \\ \Rightarrow\ 8x^3+27+18x(2x+3) \\ \\ \Rightarrow\ 8x^3+36x^2+54x+27$

Hope this helps. Plz mark it as the brainliest if it helps.

Thank you. :-))

       

Answer 2

hope it hlps uuuuuuu