Q. 64.8( 13 Votes )

A natural n

Answer :

Given:

To find: The number.


Formula Used:


The quadratic formula for finding the roots of quadratic equation
ax2 + bx + c = 0, a ≠ 0 is given by,



Explanation:


The number is x.


According to question,



x2 + 12x – 160 = 0


Using the quadratic formula,





A natural number cannot be negative


The natural number is 8.


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