SOLUTION: find a quadratic equation with the given solution: a)3 + or - sqrt of 5 b)(1 + or - sqrt of 5)/2

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Question 460083: find a quadratic equation with the given solution:
a)3 + or - sqrt of 5
b)(1 + or - sqrt of 5)/2

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find a quadratic equation with the given solution:
a)3 + or - sqrt of 5
%28x+-+3+%2B+sqrt%285%29%29%2A%28x+-+3+-+sqrt%285%29%29+=+0
x%5E2+-+6x+%2B+9+-+5+=+0
x%5E2+-+6x+%2B+4+=+0
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b)(1 + or - sqrt of 5)/2
%28x+-1%2F2+-+sqrt%285%29%2F2%29%2A%28x+-1%2F2+%2B+sqrt%285%29%2F2%29+=+0
x%5E2+-+x+%2B+1%2F4+-+5%2F4+=+0
x%5E2+-+x+-+1+=+0
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