SOLUTION: Ten times the square of a number equals 40. Find the number

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Question 1097125: Ten times the square of a number equals 40. Find the number
Answer by Edwin McCravy(20065) About Me  (Show Source):
You can put this solution on YOUR website!
10∙Nē = 40

Divide both sides by 10.
Then take the square root of both sides.
There will be two answers because there are two 
square roots of any positive number, one positive
and one negative.

Edwin