EPT[0, infinity)
Math help - Page 2
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Kentor
United States5784 Posts
[0, infinity) | ||
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Polemarch
Canada1564 Posts
On August 12 2008 06:33 Kau wrote: x^2-4x-12=0 x^2-4x+4-4-12=0 (x-2)^2-16=0 (x-2)^2=16 x-2=4 x=6 Don't forget the negative root x-2 = 4 OR x-2 = -4 | ||
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