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OpenStudy (anonymous):
simplify (x^2-x-7)-(-5x^2-3x+2)
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OpenStudy (anonymous):
\[x^2 -x-7+5x^2+3x-2\] =\[6x^2+2x-9\]
OpenStudy (anonymous):
are you sure isn't it 3x+2?
OpenStudy (anonymous):
-5
OpenStudy (anonymous):
2x-5 or 2x-9
OpenStudy (anonymous):
I don't think the quadratic equation has whole-number roots..
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OpenStudy (anonymous):
ok thank you
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