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Drupady
[299]
2 years ago
12
The property of 12x2-7=6-2x2+2
Mathematics
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1
answer:
gayaneshka
[121]
2 years ago
6
0
12x2-7=6-2x2+2
14x^2-15=0
a=14 , b =0 , c=-15
0^2-4x14x(-15) =
840
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