SOLUTION: (x2+2)-(5x2-1)

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Question 1126847: (x2+2)-(5x2-1)
Found 2 solutions by rfer, ikleyn:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+2-5x^2+1=-3x^2+3

Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
.

I don'r know how it is possible to make an error in such a simple calculation, but the tutor @rfer could do it.


Below find the correct one line solution: 

    %28x%5E2+%2B2%29 - %285x%5E2-1%29 = -4x%5E2 + 3.