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Factor Completely (x+y)3+343( x + y ) ^ { 3 } + 343

Question 139

Multiple Choice

Factor completely.
- (x+y) 3+343( x + y ) ^ { 3 } + 343


A) (x+y+7) (x2+2xy+y2+7x+7y+49) ( x + y + 7 ) \left( x ^ { 2 } + 2 x y + y ^ { 2 } + 7 x + 7 y + 49 \right)
B) (x+y7) (x2+2xy+y2+7x+7y+49) ( x + y - 7 ) \left( x ^ { 2 } + 2 x y + y ^ { 2 } + 7 x + 7 y + 49 \right)
C) (x+y+7) (x22xy+y27x7y+49) ( x + y + 7 ) \left( x ^ { 2 } - 2 x y + y ^ { 2 } - 7 x - 7 y + 49 \right)
D) (x+y+7) (x2+2xy+y27x7y+49) ( x + y + 7 ) \left( x ^ { 2 } + 2 x y + y ^ { 2 } - 7 x - 7 y + 49 \right)

Correct Answer:

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