SOLUTION: For the following
find the real zeros of f.Use the real zeros to factor f
f(x)=x^3+5x^2-17x-21
Algebra.Com
Question 859378: For the following
find the real zeros of f.Use the real zeros to factor f
f(x)=x^3+5x^2-17x-21
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
factors of 21: 1,3,7,21
applying synthetic division we use -1 to get
x^2+4x-21
next we factor to get
(x+7)(x-3)
therefore...
zeros: {-7,-1,3}
RELATED QUESTIONS
f(x)=x^3+2x^2-5x-6
find the real zeros of "f"?
X=
use the real zeros to factor "f" (answered by stanbon)
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by josgarithmetic)
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by lwsshak3)
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by lwsshak3)
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by lwsshak3)
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use (answered by stanbon)
Use the Rational zeros theorem to find all real zeros of each polynomial functions. Use... (answered by richwmiller)
use the rational zeros theorem to find all the real zeros of the polynomial function. use (answered by Gogonati)
Find all of the real zeros of the polynomial function, then use the real zeros to factor... (answered by Edwin McCravy)