SOLUTION: If (x-1)^4=1, which of the following could be the value of x+3? A)3 B)2 C)-4 D)-3

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Question 1143859: If (x-1)^4=1, which of the following could be the value of x+3?
A)3
B)2
C)-4
D)-3
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
A) 3
Let +x+=+0+
+%28+x-1+%29%5E4+=+1+
+%28+0-1+%29%5E4+=+1+
+-1+ raised to an even power = +1+
and
+x+%2B+3+=+0+%2B+3+
-------------------------
The other solution is:
+%28+2+-+1+%29%5E4+=+1+
+1%5E4+=+1+
but
+2+%2B+3+=+5+ which is not one of the choices