View Full Version : HELP! Easy math, (for you guys)
Hakkola
10-14-2003, 05:24 PM
Solve the following equation in the real number system.
3x^3-x^2-15x+5=0
Basically I'm not even sure exactly what's being asked of me. Help please?
kaput
10-14-2003, 06:36 PM
.
Hakkola
10-14-2003, 08:36 PM
That's what I was thinking, but wasn't sure, thanks.
edit - shit, got stuck.
D'z Nutz
10-14-2003, 08:48 PM
Maybe not necessarily solve for x, but find the factors, that's for sure. Maybe synthetic division will be the easiest way to do that.
Hakkola
10-14-2003, 09:25 PM
It was a fraction, i figured it out 1/3, thanks though guys. I was thinking syn div at first but then I remembered the rational root theorem.
Had to use a calculator to do 3(1/3)^3 - (1/3)^2, anyone know how to do this w/o a calculator?
you mean how to solve
3(1/3)^3 - (1/3)^2 without a calculator?
Write it out and do it by hand!
kaput
10-14-2003, 10:18 PM
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