Question

solve x^3-5x-6=0 Thanks

Answer 1

first simplify, what is -15 + 9?

Answer 2

Is +9 supposed to be 9x^2?

Answer 3

or is to 9x^2?

Answer 4

Most likely....

Answer 5

no its x^3 -5x-6

Answer 6

very dificult it dont have rational zeros

Answer 7

O_o

Answer 8

best to draw a graph initially to find the approximate roots

Answer 9

do you guys think synthetic division will work?

Answer 10

there will be 3 roots some of which may be complex

Answer 11

ill try it on wolfran alpha

Answer 12

http://www.wolframalpha.com/input/?i=+solve++x%5E3-5x-6%3D0+

Answer 13

Thanks

Answer 14

yw