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lisabon 2012 [21]
3 years ago
7

(a-1) a2-b2/1-ab+2(a-b)/2b a=2, b=-1

Mathematics
2 answers:
denis-greek [22]3 years ago
6 0
I hope this helps you

Lapatulllka [165]3 years ago
6 0
The answer is 10 hope this helped u
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