Math, asked by chakritha48, 1 year ago

2. Find the product using suitable properties ? (-17)*(-29)

Answers

Answered by ishikabirla8421

1

Answer:

-17 × -29

-( 20-1)×-(20+9)

20^2 +(-1+9)+(-1×9)

400 + 8+-9

400-1

399

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