Tìm x
TT
41
42
44
45
43 |5x2 + 8x + 4 = 0
46
47
48
49
50
51
52
PTBH
53
|x² - 16x + 84 = 0
x² + 2x - 8 = 0
x²-2(√3+ √2)x+ 4√6 = 0
11x² + 13x - 24 = 0
x² - 11x + 30 = 0
x² 13x + 42 = 0
11x² 13x - 24 = 0
|x² - 13x + 40 = 0
3x² + 5x - 1 = 0
5x² + 7x - 1 = 0
3x² - 2√3x - 3=0
x² - 2√2x + 1 = 0