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OpenStudy (anonymous):
why is (x^2)+x+1>0 when solving for x, the answer is "all x"?
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OpenStudy (anonymous):
Because no matter what you substitute for x, the left side is always positive
OpenStudy (jwt625):
no matter what you substitute for x, x^2+x+1=(x+1/2)^2+3/4>0
OpenStudy (anonymous):
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