Question

Using (h+a) (h+b)=h square + (a+b) h + ab, find 104 * 103

Answer 1

Answer:104 × 103

= (100+4)(100+3)

= (100)²+(4+3)100+(4)(3)

= 10000+700+12

= 10712

Using (h+a)(h+b)=h²+(a+b) h+ab