jennay2
jennay2
15-12-2015
Mathematics
contestada
4xsquared-3xy+9ysquared-3 (5xy+7ysquared)
Respuesta :
Panoyin
Panoyin
16-12-2015
4x² - 3xy + 9y² - 3(5xy + 7y²)
4x² - 3xy + 9y² - 3(5xy) - 3(7y²)
4x² - 3xy + 9y² - 15xy - 21y²
4x² - 3xy - 15xy + 9y² - 21y²
4x² - 18xy - 12y²
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