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MIT 18.01 Single Variable Calculus (OCW) 9 Online
OpenStudy (anonymous):

I have a problem in my calculus text, just started and I'm reviewing old stuff. 3x2+5x-2<0 Factored: (3x-1)(x+2)<0 My solution: (-infinity, 1/3) The books solution: (-2, 1/3) Which is correct? Thank you in advance!

OpenStudy (anonymous):

Does the '-1' in (3x-1) cause the '<' to flip when dividing out?

OpenStudy (anonymous):

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