y=sqrt(2*x+5) y=(x+6)^(1/3)

$$y = sqrt{2 x + 5}$$

3 _______
y = / x + 6

$$y = sqrt[3]{x + 6}$$

$$x_{1} = -6 + left(frac{1}{36 sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}} + frac{1}{6} + sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}right)^{3}$$
=
$$-6 + left(frac{1}{36 sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}} + frac{1}{6} + sqrt[3]{frac{sqrt{3990}}{36} + frac{379}{216}}right)^{3}$$
=

-1.04720817605468

$$y_{1} = frac{1}{6 sqrt[3]{6 sqrt{3990} + 379}} + frac{1}{6} + frac{1}{6} sqrt[3]{6 sqrt{3990} + 379}$$
=
$$frac{1}{6 sqrt[3]{6 sqrt{3990} + 379}} + frac{1}{6} + frac{1}{6} sqrt[3]{6 sqrt{3990} + 379}$$
=

1.70457726369051

x1 = -1.047208176054682
y1 = 1.704577263690513

x2 = -1.047208176054682 + 1.523647106206963e-32*i
y2 = 1.704577263690513 + 4.042422359497648e-33*i

x3 = -1.047208176054682 + 1.018798883635377e-35*i
y3 = 1.704577263690513 + 6.038183304862044e-36*i

x4 = -1.047208176054682 – 6.433913417810533e-34*i
y4 = 1.704577263690513 – 4.913139323578266e-34*i

x5 = -1.047208176054682 + 4.095977773783924e-33*i
y5 = 1.704577263690513 + 2.519154574067847e-33*i

x6 = -1.047208176054682 – 6.433913618700681e-34*i
y6 = 1.704577263690513 – 4.913139373352387e-34*i

x7 = -1.047208176054682 + 1.018798495755962e-35*i
y7 = 1.704577263690513 + 6.038182650105337e-36*i