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Factor
- 7x221xy28y27 x ^ { 2 } - 21 x y - 28 y ^ { 2 }

Question 120

Multiple Choice

Factor.
- 7x221xy28y27 x ^ { 2 } - 21 x y - 28 y ^ { 2 }


A) (7x7y) (x+4y) ( 7 x - 7 y ) ( x + 4 y )
B) (xy) (7x+21y) ( x - y ) ( 7 x + 21 y )
C) 7(xy) (x+4y) 7 ( x - y ) ( x + 4 y )
D) 7(x+y) (x4y) 7 ( x + y ) ( x - 4 y )

Correct Answer:

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