Answer:
x=2, x=−1
Explanation:
x^4−2x^3+x=2
Subtract 2 from both sides
x^4−2x^3+x−2=2−2
Simplify
x^4−2x^3+x−2=0
Factor x^4−2x^3+x−2:
=(x−2)(x+1)(x2−x+1)
x−2=0 or x+1=0
Thus
x=2, x=-1
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