Question

Using a suitable identity,find the product :(x+4)(x+4)

Answer 1

Answer:

$(x^2+8x+16)$

Step-by-step explanation:

$(x+4)(x+4)\\=(x+4)^2 [Using the 1^{st} identity: (a+b)^2=(a^2+2ab+b^2)]\\=(x^2+2*x*4+4^2)\\=(x^2+8x+16)$