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OpenStudy (anonymous):
(-10xto the third power + 21x to the second power - 4x - 8. heeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp
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OpenStudy (kc_kennylau):
\[-10x^3+21x^2-4x-8\]
OpenStudy (kc_kennylau):
Try putting x=[±1, ±2, ±4, ±5, ±8, ±10] inside
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