Question

Factorise (x+2)^2-(x+4)^2

Answer 1

(X+2)^2-(X+4)^4

=x^2+4+4x-x^2-16-8x

=-12-4x

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Answer 2

Answer:

(x+2)^2 - (x + 4)^2

(x^2 +4x +4) - (x^2 + 8x +16)

x^2 + 4x + 4 - x^2 -8x - 16

-4x - 12

-4(x+3)