89 square -79 square simplyfy
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(89)² - (79)²
then by using (a)²-(b)²=(a-b)(a+b)
(89-79)(89+79)
(10)(168)
10*168
1680 ANSWER
HOPE IT HELPS YOU!!!!!!!!!!
then by using (a)²-(b)²=(a-b)(a+b)
(89-79)(89+79)
(10)(168)
10*168
1680 ANSWER
HOPE IT HELPS YOU!!!!!!!!!!
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