2 years ago

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

Mathematics

2 answers:

Alexus [3.1K]2 years ago

6 0

Answer:

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

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

x=1; x=-1

Step-by-step explanation:

muminat2 years ago

5 0

Answer:

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

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

x=1; x=-1

Step-by-step explanation:

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