Mathematics, 23.02.2021 05:40 payshencec21

7-5: Lesson Quiz What is the factored form of x2 + 4xy – 21y2?
O A. xy(x + 4 – 21y)
O B. (x – 3y)(x + 7y)
C. x(x + 4y + y(4x
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Answers: 3

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7-5: Lesson Quiz What is the factored form of x2 + 4xy – 21y2?
O A. xy(x + 4 – 21y)
O B...