х² + (42,6 - 3,6) (2, 7-1, 4) /(2, 7-1.4) х
х² + 39•1.3/1.3х
х² +50, 7/1.3х
При х =13
219,7/16.9 = 13
При х = 39
1571.7/16.9 = 93
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х² + (42,6 - 3,6) (2, 7-1, 4) /(2, 7-1.4) х
х² + 39•1.3/1.3х
х² +50, 7/1.3х
При х =13
219,7/16.9 = 13
При х = 39
1571.7/16.9 = 93