a² – b² is equal to
1. 2ab
2. -2ab
3. (a+b) (a-b)
4. ab
Answers
Answered by
1
Answer:
(a+b)(a-b)
Step-by-step explanation:
option 3
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Answered by
0
Answer:
3.(a+b)(a-b).
Step-by-step explanation:
it's a formula of math
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