Question 41033
{{{(c^4 + 7c^3 + 6c^2 - 18c + 10)}}}
_____|_(1)_|_(7)_|_(6)_|_(-18)_|_(10)_|
(-5)___(1)____(2)____(-4)____(2)_____(0)_______
The remainder is zero, so (c + 5) is a factor.