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Find the Product (7y+9)( 7 y + 9 ) (7y9)( 7 y - 9 )

Question 23

Multiple Choice

Find the product. (7y+9) ( 7 y + 9 )   (7y9) ( 7 y - 9 )


A) 49y2+126y8149 y ^ { 2 } + 126 y - 81
B) 49y2+126y+8149 y ^ { 2 } + 126 y + 81
C) 49y2126y+8149 y ^ { 2 } - 126 y + 81
D) 49y28149 y ^ { 2 } - 81
E) 7y2+817 y ^ { 2 } + 81

Correct Answer:

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