SOLUTION: one more than a number times one less than a number is 24. Find the number Please !

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Question 718425: one more than a number times one less than a number is 24. Find the number
Please !

Answer by algebrahouse.com(1659)   (Show Source): You can put this solution on YOUR website!
x = the number

(x + 1)(x - 1) = 24 {one more than a number times one less than a number is 24}
x² - 1 = 25 {used foil method}
x² = 25 {added 1 to each side}
x = 5 or -5 {took the square root of each side}

the number could be 5 or -5

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