SOLUTION: what is 2x^2+25=475

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Question 1201343: what is 2x^2+25=475
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2=450
x%5E2=225
x%5E2=9%2A25=%283%5E2%29%285%5E2%29
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A very quick recheck
225=25%2A9=5%2A5%2A3%2A3=5%2A3%2A5%2A3=%285%2A3%29%285%2A3%29=15%5E2
so then 225%5E%281%2F2%29=15
Yes, you are right.
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x%5E2=225
x=15