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Find the Sum or Difference (4x2y+7)(4x2y7)( 4 x - 2 y + 7 ) ( 4 x - 2 y - 7 )

Question 551

Multiple Choice

Find the sum or difference.
- (4x2y+7) (4x2y7) ( 4 x - 2 y + 7 ) ( 4 x - 2 y - 7 )


A) 16xy28x+14y49- 16 x y - 28 x + - 14 y - 49
B) 16x2+16xy4y29816 x ^ { 2 } + 16 x y - 4 y ^ { 2 } - 98
C) 8x24y2988 x ^ { 2 } - 4 y ^ { 2 } - 98
D) 16x216xy+4y24916 x ^ { 2 } - 16 x y + 4 y ^ { 2 } - 49

Correct Answer:

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