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11-02-2021
Mathematics

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simplify the expression fully
(3x2 + 7y) (2x2 – 3x + 9)

Respuesta :

11-02-2021

(3x2 + 7y) (2x2 – 3x + 9)
=(6+7y)(-3x+13)
=-18x+78-21xy+91y

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