kookycookiefanx
23.07.2019 •
Mathematics
Simplify the sum. d^2+4d+3/d^2-7d-8 + d^2-2d-8/d^2+5d+6
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Ответ:
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
2d²-5/d²-2
Ответ:
15/12 = 1.25
The cost of one fruit tart is $1.25