Question

Evaluate each of the following using identities.
(a) (y + 3)^3

Answer 1

Plz follow me...

I hope this answers wright.....

Answer 2

Answer:

$(x + y) ^{3} = x ^{3} + y ^{3} + 3xy(x + y)$

Step-by-step explanation:

$(y + 3)^{3} = y ^{3} + 3 ^{3}+ 3y \times 3(y + 3) \\ = y ^{3} + 27 + 9y(y + 3) \\ = y ^{3} + 27 + 9y {}^{2} + 27y$