Question

There is a natural number whose square when increased by 76 is 36 more than 8 times the number itself. Find the number.​

Answer 1

Step-by-step explanation:

Find a natural number whose square diminished by 84, is equal to thrice of 8 more than the given number.

Let the required number be x.According to the question, x^2 - 84 = 3 × (x + 8) x^2 - 84 = 3x + 24 x^2 - 3x - 84 - 24 = 0 x^2 - 3x - 108 = 0 x^2 - 12x ... More