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).
