Solve x3 + x2 - x - 1 =. 0 by factoring by grouping
2 answers:
Answer:
(x^2-1)(x+1)=0
(x+1)(x-1)(x+1)=0
x=1; x=-1
Step-by-step explanation:
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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Answer:
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Answer:
B - 10c
Step-by-step explanation:
Let B be the initial balance
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