НОД 301 и 585 взаимно простые
5х² - 320 = 0
х² = 320/5
х² = 64
х 1 = + √64 = 8
х 2 = - √64 = - 8
13х² - 4х =0
х * (13х - 4) = 0
х 1 = 0
х 2 = - (-4/13) = 4/13
5(8x+3)-12=83
40x+15-12=83
40x+3=83
40x=83-3
40x=80 | :40
1x = 2
2982|7
-28 |426
18
-14
42
-42