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OpenStudy (anonymous):
The product of a number n and 2n-5 is equal to 250. What should be the value of n?
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OpenStudy (anonymous):
n(2n-5)=250 2n^2-5n-250=0 n=25/2 or n=-10
OpenStudy (anonymous):
we can check it by putting back n=25/2 or n=-10 in it
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