Let f(x)=x^3-8x^2+17x-9. Use the factor theorem to find other solutions to f(x)-f(1)=0, besides x=1. My answer is 2,5 could that be right. thanks for looking.

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- June 25th 2006, 08:46 AMkwtolleyfactor theorem.
Let f(x)=x^3-8x^2+17x-9. Use the factor theorem to find other solutions to f(x)-f(1)=0, besides x=1. My answer is 2,5 could that be right. thanks for looking.

- June 25th 2006, 08:13 PMmalaygoelQuote:

Originally Posted by**kwtolley**

Yes, 2 and 5 are solutions of this equation besides 1.

KeepSmiling

Malay - June 25th 2006, 08:49 PMSoroban
Hello, kwtolley!

Another approach . . .

Quote:

Let

Use the factor theorem to find other solutions to , besides

My answers are:

]. . . . .

. . . . . . . . .

. . .

. . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . .

Therefore, the solutions are: . - June 25th 2006, 10:10 PMmalaygoelQuote:

Originally Posted by**Soroban**

Alternative approach are always interesting.

KeepSmiling

Malay - June 26th 2006, 09:18 PMkwtolleyFactor theorem
Thanks to everyone for looking it over with me.