Question

please help with this question x^3-x^2-16x=20 find all the solutions of x

Answer 1

-2,5

Answer 2

explain?

Answer 3

yes please i dont even understand how to start it

Answer 4

HI!

Answer 5

hi

Answer 6

\[ x^3-x^2-16x=20\]subtract 20\[x^3-x^2-16x-20=0\]

Answer 7

then cheat
http://www.wolframalpha.com/input/?i=x^3-x^2-16x-20%3D0

Answer 8

okay done

Answer 9

oh i just started laughing very hard thankyou!!!

Answer 10

\[\color\magenta\heartsuit\]

Answer 11

lol well without the cheating you just have to find the number that they all can be divided by and factor :)