Find two natural numbers, which differ by 3 & whose squares have the sum 149.
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let x and x+3
x^2+x^2+6x+9=149
2x^2+6x-140=0
solve it
then x=7
so 7 ,10 answer
x^2+x^2+6x+9=149
2x^2+6x-140=0
solve it
then x=7
so 7 ,10 answer
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