dantom25
dantom25
29-10-2017
Mathematics
contestada
The square of a number plus the number is 6
.
Respuesta :
altavistard
altavistard
29-10-2017
n^2 + n = 6, or n^2 + n - 6 = 0
Factor this, and set each factor = 0 separately, and solve for n in each case:
(n+3)(n-2)=0.
Then n=-3 amd n=2. It's very important that you check both answers and determine for yourself whether or not they make sense.
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