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Mathematics 7 Online
OpenStudy (precalchelp):

2cos^2x + 3cosx = 2 solve for x with work

OpenStudy (noelgreco):

It is not a quadratic, but may be factored as one; 2x^2 + 3x - 2 = 0

OpenStudy (precalchelp):

ok thanks i understand now

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