Question

19.Simplifythefollowing:i)(4 +3 )x(4 -3 )​

Answer 1

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( 4 + 3 ) × ( 4 - 3 ) = (4)² - (3)²

= 16 - 9

= 7.

Answer 2

Answer:

The following situation representing the criteria of-:

{ (a+b) ( a-b ) } = a²-b²

hence , 4² - 3²

-------->. 16 - 9

-------->. 7 is the answer

hope this helps dear