12 \times 28 – InterviewSolution

1.	12 \times 28
Answer» 32 x 27=(30+2)(30-3)using identity (x+a)(x-b)=x²+(a-b)x-ab32 x 27=(30+2)(30-3)=30²+(2-3)30-2x3=900-30-6=864

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