SOLUTION: The square of the sum of a number and 2 is thrice the difference of the number and 2 find the numbers

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Question 891987: The square of the sum of a number and 2 is thrice the difference of the number and 2 find the numbers
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
highlight%28%28n%2B2%29%5E2=3%28n-2%29%29


n%5E2%2B4n%2B4=3n-6
n%5E2%2Bn%2B10=0
n=%28-1%2B-+sqrt%281-4%2A10%29%29%2F2---- Not likely what you want, unless you allow for imaginary parts.

difference of the number and 2 ?
This could mean, 2-n.
This way gives you n%5E2%2B4n%2B4=3%282-n%29
n%5E2%2B4n%2B4=6-3n
n%5E2%2B7n-2=0
n=%28-7%2B-+sqrt%2849%2B4%2A2%29%29%2F2
n=%28-7%2B-+sqrt%2857%29%29%2F2---- either of these if you want real numbers only.