Question

3x² - 7x + 2 = 0 ajuda

Answer 1

coeficientes a : 3 ; b: -7 ; c: 2
x : -b± ✓∆. ∆: b²-4ac
----------. ∆: (-7)² - 4 * 3 * 2
2a. ∆ : 49- 24
∆ : 25
x : -(-7) ± ✓25
---------------
2*3
x: 7 ± 5
--------
6

x' : 12
---------. = 2
6
x": 2
------
6
S{ 2/6 ; 2 }

Answer 2

3x² - 7x + 2 = 0

∆ = 25

x' = 7 + 5/6
x' = 12/6 = 2

x'' = 7 - 5/6
x'' = 2/6 = 1/3


S = {1/3, 2}