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I need help, please.
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I need help, please.

I need help, please.-example-1
User Reta
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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
User Mattyod
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