(x+2)^2 - (x+4)^2 plz solve – InterviewSolution

1.

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

Answer» ONG>ANSWER:

(x+2)²-(x+4)²

=(x+2+x+4)[(x+2)-(x+4)]

=(2x+6)(x+2-x-4)

=2(x+3)(-2)

=-4(x+3)

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