Question

Using suitable properties, evaluate 17 X 23 + (-77) X (-17)​

Answer 1

Answer:

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Answer 2

Answer:

1700.

Step-by-step explanation:

17×23+(-77)×(-17)

=>17×23-77×(-17)

=>391-(-1309)

=>391+1309

=>1700.

OR

(17×23)+{(-77)×(-17)}

=>391+1309

=>1700.

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