a polynomial P is given P(x)= x^4-5x^2-6 a) fin all zeros of P, real and complex. (enter your answers as a comma- separated list. enter all answers including repetitions.) x= b) factor P completely P(x)=

a polynomial P is given P(x)= x^4-5x^2-6 a) fin all zeros of P, real and complex. (enter your answers as a comma- separated list. enter all answers including repetitions.) x= b) factor P completely P(x)=

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 10CT

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Question

a polynomial P is given

P(x)= x^4-5x^2-6

a) fin all zeros of P, real and complex. (enter your answers as a comma- separated list. enter all answers including repetitions.)

b) factor P completely

P(x)=

Expert Solution

Step 1

$If {ax}^{2} + bx + c = 0 then x = \frac{- b \pm \sqrt{b^{2} - 4 ac}}{2 a} .$

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