SOLUTION: Solve equation: a^3=a

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Question 133536This question is from textbook Elementary and Intermediate Algebra
: Solve equation:
a^3=a This question is from textbook Elementary and Intermediate Algebra

Found 2 solutions by checkley71, edjones:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
a^3=a
a=1
proof
1^3=1
1=1

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
a^3=a
a^3-a=0
a(a^2-1)=0
a=0
a^2=1
a=+-sqrt(1)
a=1, a=-1
Three answers.
.
Ed