Question

(7x-3) (7x+3) solve it​

Answer 1

49x²-9

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Answer 2

( 7x – 3 ) ( 7x + 3 )

7x ( 7x + 3 ) – 3 ( 7x + 3 )

49x² + 21x – 3 ( 7x + 3 )

49x² + 21x – 21x – 9

49x² – 9

Solution : 49x² – 9 ............