Question

Evaluate :

35 × 37

Answer 1

35 × 37 = (40 - 5) (40 - 3)

= (40 + (-5)) (40 + (-3))

= 402 + (-5 - 3) × 40 + (-5 × - 3)

= 1600 - 320 + 15

= 1615 - 320

= 1295