X2-3x+2=0
x1+x2=-b/a=3
x1*x2=c/a=2
x1=1
x2=2
5√8 * х=50<span>√8 - 10х
5</span>√4 * √2 * х=50√4 * √<span>2 - 10х
5*2*</span>√2*х=50*2*√2-10х
10*√2*х=100√2-10х
10*√2*х+10х=100√2
(10*√2+10)*х=100√2
х=100√2 / 10√2+10=100√2 / 10*(√2+1)=10√2 / √2+1
0,2•(-27)-0,1•9-3=-5,4-0,9-3=-9,3