SOLUTION: Suppose that four times the square of a number equals 20 times that number. what is the number?

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Question 62889: Suppose that four times the square of a number equals 20 times that number. what is the number?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4X^2=20X
4X^2-20X=0
4X(X-5)=0
4X=0
X=0
X-5=0
X=5 SOLUTION
PROOF
4*5^2=20*5
4*25=100
100=100