Freeflows

Problems

Sign in

Root Sum Product Expansion

Let $ a, $ $ b, $ $ c $ be the roots of $ x^3 - 7x + 2 = 0 $. Find \[abc + ab + ac + bc + a + b + c + 1.\]

1
2
3
+
4
5
6
-
7
8
9
$\frac{a}{b}$
.
0
=
%

$a^n$
$a^{\circ}$
$a_n$
$\sqrt{}$
$\sqrt[n]{}$
$\pi$
$\ln{}$
$\log$
$\theta$
$\sin{}$
$\cos{}$
$\tan{}$

$($
$)$
$[$
$]$
$\cap$
$\cup$
$,$
$\infty$