Răspuns:
x = {2/5 , 1}
Explicație pas cu pas:
❁❁Salutare !❁❁
5x² - 7x + 2 = 0
5x² - 2x - 5x + 2 = 0
x × (5x - 2) - (5x - 2) = 0
(5x - 2)(x - 1) = 0
5x - 2 = 0 => x1 = 2/5
x - 1 = 0 => x2 = 1
<<darius>>
