Question

Question 5(g)
Find the product, using suitable properties:
$(-17)\times (-29)$

Answer 1

$(-17)\times (-29)=(-17)\times [-30+1]=\left[\right(-17)\times (-30\left)\right]+\left[\right(-17)\times 1]a\times (b+c)=(a\times b)+(a\times c)=\left[510\right]+[-17]=493$