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ValentinkaMS [17]
3 years ago
10

(a + b - c)(a + b + c)​

Mathematics
2 answers:
lions [1.4K]3 years ago
4 0

Answer:3

Step-by-step explanation:

Anna007 [38]3 years ago
4 0
A^2+2ab+b^2-c^2 hopefully I helped
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