Evaluate the following using suitable property
a) 53x(-9)-(-109)x53
​b) (-39)x99
c) 68x(-17)+(-68)x3
 

Dear student
c) 68×-17+-68×3=68-17-3=68-20=-1360a) 53×-9--109×53=53-9+109=53100=5300Similarly, do the other parts.
Regards

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Ah !!!!  I know this one  !!!!!
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5300
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