03-04-2015
Mathematics

contestada

p(x) x^3+x^2-x-1

Find all zeros of p (x)

Respuesta :

konrad509 konrad509

03-04-2015

[tex]x^3+x^2-x-1=0\\ x^2(x+1)-1(x+1)=0\\ (x^2-1)(x+1)=0\\ (x-1)(x+1)(x+1)=0\\ (x-1)(x+1)=0\\ x=1 \vee x=-1[/tex]

Answer Link

Otras preguntas

The circumference of a circle is 5 π m. Find its diameter, in meters.

PLEASE HELP MEEEEEE !!!! Find an equation for the perpendicular bisector of the line segment whose endpoints are (5,-9)(5,−9) and (-7,-3)(−7,−3)

Help me please !!! Im getting timed on this

Help!!! Where on the timeline does the rise of the Texas cattle industry and the "long drive" of cattle across the open range belong? A)1 B)2 C)3 D)4

The radius of a circle is 6 kilometers. What is the area of a sector bounded by a 126° arc?Give the exact answer in simplest form. ____ square kilometers. (pi,

pleasehelp!! i have a bad grade in this class!! no links please

Cu+2 + Cl-1. Help me plssss

A pattern of stars that has been named is called a constellation. Late at night, Carolyn saw the constellation named Leo, the lion, in the eastern part of the s

Help plssssssssssssss

true or false, The Three-Fifths Compromise said enslaved people counted as free people.