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Solve x3 + x2 - x - 1 =. 0 by factoring by grouping
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4 votes
Solve x3 + x2 - x - 1 =. 0 by factoring by grouping

User Rbarni
by
4.5k points

2 Answers

5 votes

Answer:

(x^2-1)(x+1)=0

(x+1)(x-1)(x+1)=0

x=1; x=-1

Explanation:

User Hardik Trivedi
by
4.0k points
6 votes

Answer:

(x^2-1)(x+1)=0

(x+1)(x-1)(x+1)=0

x=1; x=-1

Explanation:

User JahMyst
by
4.0k points
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