Answer :

**Given:**

**To find:** The number.

**Formula Used:**

The quadratic formula for finding the roots of quadratic equation

ax^{2} + bx + c = 0, a ≠ 0 is given by,

**Explanation:**

The number is x.

According to question,

⇒x^{2} + 12x – 160 = 0

Using the quadratic formula,

**⸪** A natural number cannot be negative

**⸫** The natural number is **8**.

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