benlee
benlee
06-10-2015
Mathematics
contestada
simplifiy (5x^2+3x-9)(2x-7)
Respuesta :
Panoyin
Panoyin
07-10-2015
(5x² + 3x - 9)(2x - 7)
5x²(2x - 7) + 3x(2x - 7) - 9(2x - 7)
5x²(2x) - 5x²(7) + 3x(2x) - 3x(7) - 9(2x) + 9(7)
10x³ - 35x² + 6x² - 21x - 18x + 63
10x³ - 29x² - 39x + 63
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