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Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?
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Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

User TheRemix
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1 Answer

3 votes

Explanation:


4x^3+x^2-8x-2\qquad\text{distributive}\\\\=x^2(4x+1)-2(4x+1)\\\\=(4x+1)(x^2-2)

User Mrtsherman
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