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Mathematics 21 Online
OpenStudy (anonymous):

solve for h. h^2+13h+42=0

OpenStudy (anonymous):

h=-6 and -7

OpenStudy (anonymous):

For questions like this you should use wolframalpha.com

OpenStudy (anonymous):

theres no need to use a computer at all

OpenStudy (anonymous):

That's right, but it's better than asking here

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