Simplify using using suitable suitable identities (4 x - 5).... (4x + 5)
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Step-by-step explanation:
( 4x - 5 ) ( 4x + 5 )
= ( 4x )² - ( 5)² ( ∵ Identity : (a - b ) ( a + b ) = a² - b² )
= 16x² - 25 is the answer.
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