1.

Solve the problem : (x-3)whole square

Answer»

The question given is in the form ( a - B )².


( a - b )² = a² + b² - 2AB


=> ( x - 3 )² = ( x )² + ( 3 )² - 2 ( x) ( 3 )


=> ( x - 3 )² = x² + 9 - 6X


=> ( x - 3 )² = x² - 6x + 9



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