x square -x -42 divid x+6
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Solution :
Given ( x² - x - 42 )/( x + 6 )
= [ x² -7x + 6x - 42 ]/( x + 6 )
= [ x( x - 7) + 6( x - 7 )]/( x + 6 )
= [ ( x - 7 )( x + 6 ) ]/( x + 6 )
= x - 7
••••
Given ( x² - x - 42 )/( x + 6 )
= [ x² -7x + 6x - 42 ]/( x + 6 )
= [ x( x - 7) + 6( x - 7 )]/( x + 6 )
= [ ( x - 7 )( x + 6 ) ]/( x + 6 )
= x - 7
••••
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