alixxhhcalixxhhc alixxhhcalixxhhc

01-08-2016
Mathematics

contestada

f(x) = x3 + 4x2 + x − 6 real zeros

Respuesta :

01-08-2016

Hello,

f(x)=x^3+4x²+x-6
=x^3-x²+5x²-5+x-1
=x²(x-1)+5(x-1)(x+1)+x-1
=(x-1)(x²+5x+5+1)
=(x-1)(x²+2x+3x+6)
=(x-1)(x(x+2)+3(x+2))
=(x-1)(x+2)(x+3)

Zeros are 1,-2,-3.

Answer Link

Otras preguntas

In James Joyce's "Araby," the narrator uses light and dark imagery to set the tone and mood of the story and also to describe the nature of life on the street o

Which artist had the greatest influence over the ideas used by the FrenchRoyal Academy?O A. MichelangeloO B. RembrandtO C. PoussinO D. Rubens

what is meant by energy?list it various sources

Felix launched both a Google Search Ad campaign and a Google Display Ad campaign to drive sales of tools on his home improvement website. He reviewed his sales

help me plz i dont get this

22/55 of a number is what percentage of that number

AB and CD intersect at point O, ∠ACO ≅ ∠DBO, and BO ≅ CO . Prove that △ACO ≅ △DBO. Plz Help Me... Thanks

Sofia, Faisal, and Tad are coworkers at Crossroads, Inc. All three have worked at Crossroads for five years now. One day while eating lunch together, Sofia rema

PLS HELP I WILL HIVE BRAINLIST 5 STARS AND I WILL GIVE YOU A THANK YOU!!

Note the mechanism of absorption (passive or active transport) of the following food breakdown products, and indicate by a check mark whether the absorption wou