Question

Need help with this question p

Answer 1

4x² + 12x + 9

Explanation:

Using identity:

(a +b)² = a² + 2ab + b²

Here, a = 2x & b = 3

(2x +3 )² = (2x)² + 2*2x*3 + 3²

= (2x*2x) + 12x + 3*3

= 4x² + 12x + 9