Q3 Evaluate by using identify 76×84
Answers
Answered by
2
Answer:
6384
Step-by-step explanation:
76 = 80 - 4 and 84 = 80 + 4
(a - b)(a + b) = a² - b²
(80 - 4)(80 + 4)
80² - 4²
6400 - 16
6384
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Answered by
1
Answer:
Answer => 6384
Because of 76×84
Step-by-step explanation:
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