Question

I need help on #5 Please help me on my hw

Answer 1

Given:

The given problem is:

`(x+3)^2\\e x^2+9`

Using the identity:

`(a+b)^2=a^2+b^2+2ab`

Now substitute a = x and b = 3 in this identity:

`\begin{gathered} (x+3)^2=x^2+3^2+2* x*3 \\ =x^2+9+6x \end{gathered}`

Hence , the correct solution to the problem is:

`(x+3)^2=x^2+6x+9`