goyauanoucheka
goyauanoucheka
03-11-2014
English
contestada
Express as a trinomial: (2x – 3)(x + 7)
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Jelena
Jelena
07-11-2014
(2x-3)(x+7)=
2x^2 + 14x - 3x - 21=
2x^2+11x-21.
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