solve ;; n^2-9n-52 find n
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✏Given here :-
✏ n² -9n -52=0
✏n²-13n +4n -52=0
✏n(n-13)+4(n-13)=0
✏(n+4)(n-13)=0
✏(n+4)=0 or (n-13)=0
✏(n= -4 ) or (n= 13)
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