aliciaroberts66 aliciaroberts66

23-04-2018
Mathematics

contestada

HELP!
Simplify the sum.
d^2+4d+3/d^2-7d-8 + d^2-2d-8/d^2+5d+6

Respuesta :

CastleRook CastleRook

03-05-2018

To simplify the expression we proceed as follows:
d^2+4d+3/d^2-7d-8 + d^2-2d-8/d^2+5d+6
putting like terms together we have:
(d^2+d^2)+(4d-7d-2d+5d)+(3/d^2-8/d^2)+(-8+6)
=2d^2+0d-5/d^2-2
=2d²-5/d²-2

Answer: 2d²-5/d²-2

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