Нет так дискриминант равет -23
<span>2x5+5x4−13x3−13x2+5x+2=0</span>
<span>6x4-35x3+62x2-35x+6=0</span>
<span>х3 + 2x2 +
2х + 1 = 0.</span>
<span>2x2 - 7x + 6 = 0
</span> 3х-8=0
^4√8*3*^4√2*27=^4√8*3*2*27==^4√(3*2)<span>^4=6</span>
<span>8x²-2=0
</span>8x²=2
x²=1/4
x=+-1/2