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OpenStudy (anonymous):
Factor 20r2 + 11rs − 4s2
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OpenStudy (anonymous):
is the "2" behind the "r" an exponent?
OpenStudy (anonymous):
yes 4s^2
OpenStudy (anonymous):
20r^2+11-4s^2
OpenStudy (anonymous):
i'm not sure, but this is how i do it: 4(5r^2+(11/4)-s^2)
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