Question

Factorise(x+2) ²-6(x+2) +9

Answer 1

Answer:

here is your answer in this image

Answer 2

x²+2x(2)+2²-6x-12+9

=x²+4x+4-6x-12+9

=x²-6x+4x-12+9+4

=x²-2x-12+13

=x²-1x-1x+1

=(x-1)(x-1)