<span>×⁴ = 625;
(×-8)⁴ = 16;
2×⁴ + 36 = 0;
5×⁸ - 10 = 0;
⁴√× - 2 = 0;
³√× - 2 = 0;
⁶√× + 3 = 0;
⁴√2× - 2 = 0;
⁴√2×-2=0;
⁴√3×+1 = 2;
2×¹² - 5×⁶ + 3 =0;
×⁸ - 5×⁴ - 36 = 0;
√× - 8⁴√× =0;
4∛× - 20⁶√× + 25 = 0;</span>
5х²-6х=0
х*(5х-6)=0
х=0
5х-6=0 х=6/5
An=(n-1)d
d=8-6=4
a11=a1+(11-1)4
a11=6+40
a11=46
Tg^2(270+a)*sin^2(180+a)=ctg^2a*sin^2a=cos^2a
D=25-24=1
x1=(-5+1)/2=-2
x2=(-5-1)/2=-3