What is the factored form of x2 + 4xy – 21y2?
A. xy(x + 4 – 21y)
B. (x – 3y)(x + 7y)
C....
Mathematics, 13.07.2021 08:20 felisha1234
What is the factored form of x2 + 4xy – 21y2?
A. xy(x + 4 – 21y)
B. (x – 3y)(x + 7y)
C. x(x + 4y) + y(4x – 21y)
o
D. (x + 3y)(x - 7y)
Answers: 3
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