Question

Factorise: 9 + 6x + x2​

Answer 1

Step-by-step explanation:

= x²+6x+9

= x²+3x+3x+9

= x(x+3)+3(x+3)

=(x+3)(x+3)

Answer 2

Answer:

${x}^{2} + 6x + 9 \\ = {x}^{2} + 3x + 3x + 9 \\ = x(x + 3) + 3(x + 3) \\ = (x + 3)(x + 3)$