Question

if the difference between the the square of a positive integer and itself 20 then find the positive integer​

Answer 1

Answer:

5

Step-by-step explanation:

let the number be x

x² - x - 20 = 0

x² - 5 + 4 = 0

(x - 5)(x + 4)

x = 5,-4

Given it is a positive number

The answer is 5

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Answer 2

Answer is 5

Step-by-step explanation:

let the number be x

X² - X - 20= 0

factorize and we get the answe as 5