oliver4 oliver4

20-09-2015
Mathematics

contestada

what is the sum of x2-3x+7 and 3x2+5x-9

Respuesta :

Panoyin Panoyin

20-09-2015

(x² - 3x + 7) + (3x² + 5x - 9)
(x² + 3x²) + (-3x + 5x) + (7 - 9)
4x² + 2x - 2

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