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Mathematics 19 Online
OpenStudy (diogop110):

How can I find the roots of 4x³-10x-12=0, step by step, please.

OpenStudy (precal):

do you know how to use synthetic division?

OpenStudy (precal):

x^3 means you have 3 solutions

OpenStudy (precal):

if you look at the graph, you will see that it crosses the x axis once so you have 1 real solution and 2 complex solutions

OpenStudy (precal):

x=2 that is one solution

OpenStudy (diogop110):

I don't know =s

OpenStudy (precal):

http://www.purplemath.com/modules/synthdiv.htm

OpenStudy (precal):

synthetic division is used to factor polynomials are above the 2nd degree.

OpenStudy (diogop110):

Thanks!

OpenStudy (precal):

well see if you can get the solution. I can come back and double check your solution

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