thatlitgirly
thatlitgirly
12-09-2020
Mathematics
contestada
I need help, please.
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ameliadonaldson6
ameliadonaldson6
12-09-2020
Answer: A
16x^2 - 56xy + 49y^2
4^2x^2 - 2 • 4x • 7y + 7^2y^2
(4x)^2 - 2 • 4x • 7y + (7y)^2
=(4x-7y)^2
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