SOLUTION: why can't different quadratic equations have the same solution?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: why can't different quadratic equations have the same solution?      Log On


   

Question 322870: why can't different quadratic equations have the same solution?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!





Different quadratic equations CAN indeed have the same solutions!



x%5E2%2Bx-2=0 and 2x%5E2%2B2x-4=0 have the same solution.



namely 1 and -2.



However you can get the second quadratic equation by multiplying

the first one through by 2.



Edwin