(3x + 4y ) ( 3x -4y)
(4y -3x ) (4y +3x)
(-4y -3x) ( 4y - 3x )
( 3x + 4y ) ( -4y -3x)
Source: Investment Corporation of Bangladesh Cashier 16.03.2018
Answer: ( 3x + 4y ) ( -4y -3x)
Explanation:
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