2x Boarding

2x Boarding

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VTG Fiber Board Vinyl Hard Shell Suitcase Luggage Camel Color 21 x 14 1 2 x 6    US $20.99

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How do I factor x^2-2x+1?

Please explain this? My teacher left barely sufficient notes on the board.

Well, if you could factor it, you would want to pu it in the form

(x +A ) ( x + B) = x^2 - 2x + 1

That means that AB = 1 and (A+B)x = -2x

Try A = -1 and B = -1

That works

It is usually a process of trial and error, although the quadratic formula does give you a recipe to find the roots without any guess work.