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simplify using identities .196*196-104*104/92.

=(196*196 - 104 * 104 )/ 92
=(196)2 - (104)2 / 92
=(196+104)(196-104) / 92
=300*92 /92
=300
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= (196*196-104*104)/92
= (196)2 - (104)2 / 92
= 38416 – 10816 / 92
= 27600 / 92
= 300
Another way
= (196*196-104*104)/92
= (196)2 - (104)2 / 92
= (196+104) (196-104) /92
= (300 *92) /92
= (27600) / 92
= 300


 
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