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Simplify. (x−4)(x^2−3x−9)

User KOssi
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2 Answers

5 votes

Answer: x^3-7x^2+3x+36

Explanation:

User Nick Steele
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7 votes

Answer:


(x - 4)( {x}^(2) - 3x - 9) \\ = x( {x}^(2) - 3x - 9) - 4( {x}^(2) - 3x - 9) \\ = {x}^(3) - 3 {x}^(2) - 9x - 4 {x}^(2) + 12x + 36 \\ = {x}^(3) - 7 {x}^(2) + 3x+36 \\

User Omercnet
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