3n square+5n-1300=0
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3n²+5n-1300=0
3n²+5n=1300
3n²=1300-5n
3n²=5(260-n)
n²=5(260-n)/3
n=√5(260-n)/3
hope it is helpful....
3n²+5n=1300
3n²=1300-5n
3n²=5(260-n)
n²=5(260-n)/3
n=√5(260-n)/3
hope it is helpful....
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