Using properties of squares, find the value of 22²- 21².
Plz guys answer me right now because it's very urgent.
Answers
Answered by
5
Answer:
answer for the given problem is given
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Answered by
3
Answer:
=43
Step-by-step explanation:
(first factor the expression)
(22-21)×(22+21)
1×(22+21)
1×(43)
=43
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