Evaluate using identity 63 x 67
Answers
Answered by
3
(60+7)(60+3)
60^2+10*60+7*3
3600+600+21
4221
Answered by
1
Answer:(60+7)(60+3) 60^2+10*60+7*3 3600+600+21 4221
Step-by-step explanation:
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