Question

Solve using properties of multiplication-

1. 886X(-99)+(-886)
2. (-16)X(-18)+(-4)X(-18)

Answer 1

1)886 (-99) + (-886)

886(-100+1) + (-886)

-886 *100 +886 -886

88600 ans

2)(-16)*(-18) + (-4)*(-18)

By property,

-18(-16+(-4))

-18(-16-4)

-18(-20)

360 ans