Question

Factorise the following using identity a2 +b2+ 2ab = (a + b)2
i. x² +6x +9​

Answer 1

Answer:

$\: \: \: \: {x}^{2} + 6x + 9$

$= {(x)}^{2} + 2 \times x \times 3 + {(3)}^{2}$

$= {(x + 3)}^{2}$