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2x^2-x-1=0 - QuestionCove
OpenStudy (anonymous):

2x^2-x-1=0

6 years ago
OpenStudy (kira_yamato):

(2x + 1)(x - 1) = 0 x = -0.5 Or x = 1

6 years ago
OpenStudy (anonymous):

i need solution

6 years ago
OpenStudy (anonymous):

please

6 years ago
OpenStudy (kira_yamato):

Factor the LHS: (2x + 1)(x - 1) = 0 Equating factor A = 0 OR factor B = 0: 2x + 1 = 0 Or x - 1 = 0 x = -0.5 Or x = 1

6 years ago
OpenStudy (anonymous):

thanks

6 years ago
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