Question

A)3x в квадрате -7х +4=0

Answer 1

3x²-7x+4=0
D=49-48=1
x1=(7-1)/6=1
x2=(7+1)/6=4/3))))))))))

Answer 2

3x² - 7x + 4 = 0
D = 49 - 48 = 1
x1 = (7-1)/6 = 1
x2 = (7+1)/6 = 4/3

Ответ: 1 и 4/3