SOLUTION: find the discriminant: x^2+4=5x

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Question 387089: find the discriminant: x^2+4=5x
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

finding the discriminant: 

 x^2+4=5x

 x^2 - 5x + 4 = 0

 sqrt%28+b%5E2-4%2Aa%2Ac+%29+=+sqrt%2825-4%2A4%29+=+sqrt%289%29=+3

x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+

x+=+%28-5+%2B-+3%29%2F%282%29+ 

   x =  -8/2 = -4

   x =  -2/2 = -1