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OpenStudy (harrisonshark):
Evaluate -3x^3 - 4x for x = -1. 1 7 -1
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OpenStudy (luigi0210):
Plug in -1 \[\LARGE -3(-1)^3-4(-1)\] Now.. \[\LARGE -3(-1)+4\] Finish it
OpenStudy (harrisonshark):
i keep getting -31
OpenStudy (luigi0210):
-3*-1=3
OpenStudy (harrisonshark):
so -1
OpenStudy (harrisonshark):
or 7
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OpenStudy (harrisonshark):
idk and i need to know fast :/
OpenStudy (harrisonshark):
7 thanks
OpenStudy (luigi0210):
Yup~
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