Evaluate $12\times (-34)+(-34)\times (-22)$

The correct option is C 340
$12\times (-34)+(-34)\times (-22)$
$=(-34)\times [12+(-22\left)\right]$  [Distributive property]
$=(-34)\times [12-22]$
$=(-34)\times (-10)$
$=340$
 

Mathematics