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Posted by on Saturday, October 31, 2009 at 10:17pm.

by completing the square method solve the equation.

x^2-2x-1

can u factor it? when i did it it couldn't be factored. i also don't know why it is not factorable because its a perfect square right?
please help me

  • math 10 - , Saturday, October 31, 2009 at 10:25pm

    Answered below.

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