gabbarback9542 gabbarback9542
  • 29-12-2017
  • Mathematics
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The difference between the squares of two consecutive positive integers is 9. find the integers. (hint: let x and x 1 represent the consecutive integers.)

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 29-12-2017
x = 1st number. x+1=3nd number

(x+1)² - x² = 9

x² +2x + 1 - x² = 9

2x+1=9
2x=8
x=4

numbers are 4 and 5
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