SOLUTION: solve and check: 0=x^2-2x-1

Algebra.Com
Question 110077: solve and check:
0=x^2-2x-1

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!

solve:
..........cannot be factored
solve using quadratic formula:

















check:
if ,then
..

if ,then
..

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