Find the complete factorization of P(x) = x^4-2x^3+5x^2-8x+4? the roots i found so far are : (x+2)(x-1)(x+4) when you multipy it out, it is x^3+5x^2+2x-8. What is the last root is what i'm trying...
Find the complete factorization of P(x) = x^4-2x^3+5x^2-8x+4?
the roots i found so far are :
(x+2)(x-1)(x+4) when you multipy it out, it is x^3+5x^2+2x-8. What is the last root is what i'm trying to figure out.
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lfryerda
| Certified Educator
calendarEducator since 2012
write738 answers
starTop subjects are Math and Science
If you have already found a factor of a polynomial, you can use synthetic division to find a polynomial that has smaller degree and shares the remaining factors of the polynomial. In this case, let's use the factor x-1.
Then synthetic division gives:
1 | 1 -2 5 -8 4
...
(The entire section contains 127 words.)
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