The product of two consecutive room numbers is 420. find the room numbers.

Step-by-step explanation:

Let the first number is x and other number is (x+1). The product of two consecutive room numbers is 420.

So, according to question,

On solving the above quadratic equation, we get the value of x as:

x = 20

and

(x+1) = 21

So, two numbers are 20 and 21.

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step-by-step explanation:

the square root of what number? if you add that, then someone will probably answer the question.