eavalute the following using the identity (x+a)(x+b)=x^2 + (a+b)x+ab: 59×48
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Step-by-step explanation:
( 50 + 9 ) ( 50 - 2 )
= 50² + 50( 9 - 2 ) + 9 × ( - 2 )
= 2500 + 350 - 18
= 2832 [ where x = 50 , a = 9 and b = - 2 ]
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