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4x^3 - 11x^2 - 5x + 15 for x=4

4x^3 - 11x^2 - 5x + 15 for x=4
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4x^3 - 11x^2 - 5x + 15 for x=4

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User Clav
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1 Answer

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W(x)=4x^3 - 11x^2 - 5x\\\\x=4\\\\subtitute\\\\W(4)=4\cdot4^3-11\cdot4^2-5\cdot4=4\cdot64-11\cdot16-20\\\\=256-176-20=60
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User Jpap
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