SOLUTION: x^2 +2 =2x the value of x^4 -x^3 +x^2 +2 explain clearly a)0 b)1 c)-1

Question 1038910: x^2 +2 =2x
the value of x^4 -x^3 +x^2 +2
explain clearly
a)0
b)1
c)-1

Answer by ikleyn(52915) (Show Source): You can put this solution on YOUR website!
.
x^2 +2 =2x
the value of x^4 -x^3 +x^2 +2
explain clearly
a)0
b)1
c)-1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

   =                  (make grouping)  --->

=  +               (replace  by 2x, according to the condition)  --->

=                      (distract and add )  --->

=  +  = 

=  +  =          (replace  by 2x, according to the condition)  --->

=  = 

=  =                (make re-grouping)  --->

=  =

=  =               (replace  by 2x, according to the condition)  --->

=  =  = 0.

Answer.  0  (zero).

Solved.

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