math200
math200
24-09-2015
Mathematics
contestada
write (x-4y) ^2 as a polynomial
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Panoyin
Panoyin
25-09-2015
(x - 4y)²
(x - 4y)(x - 4y)
x(x - 4y) - 4y(x - 4y)
x(x) - x(4y) - 4y(x) + 4y(4y)
x² - 4xy - 4xy + 16y²
x² - 8xy + 16y²
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