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anonymous
 4 years ago
Complete the square and use quadratic formula:
x^2  2x  1 = 0
I got to:
x^2  2x = 1
(x + 2)^2 = +/√2
anonymous
 4 years ago
Complete the square and use quadratic formula: x^2  2x  1 = 0 I got to: x^2  2x = 1 (x + 2)^2 = +/√2

This Question is Closed

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1x^2  2x  1 + 2 = 2 (x1)^2 = 2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Darn. (x+2)^2 = 2 x + 2 = +/√2

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1why would they want to complete the square? it's not helping..

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1x1 = +sqrt(2) x = sqrt(2) + 1 x = sqrt(2)+1

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1well actually it was helping

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1That's by completing the square

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1x^2  2x  1 = 0 D = (2)^2  4*1*(1)=4+4 = 8

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1x1 = (2  sqrt(8))/2 = 1  sqrt(2) x2 = (2 + sqrt(8))/2 = 1 + sqrt(2)

bahrom7893
 4 years ago
Best ResponseYou've already chosen the best response.1come on now, make me level 59!
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