Question

How do you multiply `(2x+1)(2x+1)`?

Answer 1

`4x^2 + 4x + 1`

Explanation:

`f(x) = (2x+1)(2x+1)`

Multiplying each element of the first term by each element of the second will get you

`f(x) = 4x^2 + 2x +2x +1`

`" "= 4x^2 + 4x +1`