Question

(0,1) 3+2х=(0,1) 2-х2помогите срочно

Answer 1

0,1*3+2x=0.1*2-x2
0.3+2x=0.2-x2
0.3+2x-0.2+x2=0
x2+2x+0.1=0
D=4-4*0.1*1=4-0.4=3.6