3 years ago

Ten times the square of a non-zero number is equal to fifty times the number. what is the number?

1 answer:

4 0

10x^2 = 50x.....subtract 50x from both sides
10x^2 - 50x = 0...factor
10x(x - 5) = 0

10x = 0
x = 0 <== this one is eliminated because x cannot be zero

x - 5 = 0
x = 5 <== ur answer

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