Question

Solve using suitable property:
$397\times 77+397\times 45-397\times 22$
Also state the property used.

Answer 1

Given: $397\times 77+397\times 45-397\times 22$

This can be solved using distributive property of multiplication over addition and subtraciton.

= $397\times (77+45-22)$

= $397\times (122-22)$

= $397\times 100$

= $39700$