Polynomials of Degree 5 and Higher

Numerical approximations are always returned for roots of polynomials of degree 5 and higher. You can change the number of digits used in the display of these roots by making changes in the Settings box.

$\blacktriangleright$ Polynomials + Roots

5x5 +5x4 -10x3 -10x2 + 5x + 5, roots:
1.0
1.0
-1.0
-1.0
-1.0

 x8 + x7 + x6 + x5 + x4 + x3 + x2 + x + 1, roots:
- .93969262 - .34202014i
- .93969262 + .34202014i
- .5 - .8660254i
- .5 + .8660254i
.17364818 - .98480775i
.17364818 + .98480775i
.76604444 - .64278761i
.76604444 + .64278761i