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OpenStudy (anonymous):
2xy^2 x=-2 y=-1 I got 4 is that right?
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OpenStudy (king):
2*-2*(-1)^2 -4*1 -4 not 4 -1^2=1
OpenStudy (anonymous):
so its -4
OpenStudy (unklerhaukus):
yep -4
OpenStudy (anonymous):
so it is -4 ok thanks
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