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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