235k views
5 votes
Twenty times the square of a non zero number is equal to 20 times the number.

What is the number?

2 Answers

5 votes
The answer is 1.
1² = 1
20×1² = 20×1
User Anil Kumar Ram
by
7.8k points
2 votes

Answer: The only possible number is +1

Explanation:

Let the number be x then according to the question


20* x^(2)=20* x

=>
20x(x-1)=0

=>
x=0,1

But x=0 is not possible therefore

=>
x=+1

Thus the only possible number is +1

User Falconcreek
by
7.7k points

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