1. х2 – 7х + 3 = 0 2. 36х2 + 25 = 60х
3. 7х2 – х + 9 = 0
4. х2 - 7х + 12 = 0
5. х2 + 8х + 15 = 0
6. х2 – 3х – 10 = 0
7. х2 + 5х – 14 = 0
8. 5119х2 – 4000х – 1119 = 0
9. 749х2 + 801х + 52 = 0
10. .
216
464
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