The product of two consecutive integers is 90. Find the two integers then check your answer​

9,10 or -10,-9

Step-by-step explanation:

Let call the first integer n and the second integer n+1 since they are consecutive.

Since the product of the integer is 90 set up this equation

Subtract 90 to get it on the left side

Apply quadratic formula

The roots are n= -10 and 9. We can use either root but let use a positve root

We are taking the positve roots

Plug 9 as n into n+1

or

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step-by-step explanation:

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