Given that m and N are nonnegative integers and m ^ - n ^ = 9, find the value of M and n Be quick, or it won't work

Given that m and N are nonnegative integers and m ^ - n ^ = 9, find the value of M and n Be quick, or it won't work


m=5,n=4
m^2-n^2=(m+n)(m-n)=9=9*1
m+N=9,m-n=1
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