Question

Evaluate the following products without multiplying directly

Please answer me fast

Answer 1

1. 103*107
  can be expressed as:
   {105-2}*{105+2}             [using;{a+b}{a-b}=a^2-b^2]
    =11025-4
     =11,021



2.95*96 can be written as
     {90+5}*{90+6}                      [using = {x+a}{x+b}=x^2+{a+b}x+ab]
      =8100+990+30
        =9120