solve my question do hurry
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x=-1
-1^4+-1^3-2×-1^2+1
1+(-1)-2+-1+1
=-2
-1^4+-1^3-2×-1^2+1
1+(-1)-2+-1+1
=-2
Answered by
1
x+1=0,x=-1.
(-1)^4+(-1)^3-2 (-1)^2+(-1)+1=
1-1-2=2
(-1)^4+(-1)^3-2 (-1)^2+(-1)+1=
1-1-2=2
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