................................................
⁵√6₋2√17 · ⁵√6+2√17= ⁵√(6₋2√17) (6+2√17)=⁵√36-4*17=⁵√36-68=⁵√-32= -2-
1)<span>6x+5<=0
</span><span>6x<=-5</span>
<span>х<=</span>-5/6
<span>
ответ -1
</span>
2) 4(2-x)<5(1-x)
8-4x<5-5x
<span>x<-3</span>
ответ -4
8x+3=1-(2x+4)
8x+3=1-2x-4
8x+2x=1-4-3
10x = -6
x = -0.6