the roots of the cubic equation

x^3 - 15x^2 + px - 105 = 0

are 5-k, 5 and 5+k

Find the values of the constants p and k

i dont know what to do or how to start please some one help!!

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- May 6th 2012, 02:22 PMmathkid12roots of cubic equations
the roots of the cubic equation

x^3 - 15x^2 + px - 105 = 0

are 5-k, 5 and 5+k

Find the values of the constants p and k

i dont know what to do or how to start please some one help!! - May 6th 2012, 03:21 PMskeeterRe: roots of cubic equations
- May 6th 2012, 03:29 PMmathkid12Re: roots of cubic equations
sorry to say this but what!!!!!! synthetic devision >??

- May 6th 2012, 03:36 PMskeeterRe: roots of cubic equations
might want to look it up ... be sure to spell it right

- May 6th 2012, 10:04 PMbiffboyRe: roots of cubic equations