Question

решить уравнение : 5х в квадрате - 16х + 3 = 0

Answer 1

D = 256-4*3*5 = 196
x1 = 16+14/10 = 3
x2 = 16-14/10 = 0.2

Answer 2

5х²-16х+3=0
25х-16х=0-3
9х=-3
Х=-3:9
Х=-3/9
Х=-1/3