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Factor: (please tell me steps) 9x^(4)+21x^(3)-9x^(2)-21x

Factor: (please tell me steps) 9x^(4)+21x^(3)-9x^(2)-21x
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2 votes
Factor: (please tell me steps)
9x^(4)+21x^(3)-9x^(2)-21x

User CruorVult
by
8.6k points

2 Answers

4 votes

Answer:

hope it help u

Factor: (please tell me steps) 9x^(4)+21x^(3)-9x^(2)-21x-example-1
User Morteza Manavi
by
8.0k points
4 votes

Answer:

Explanation:


9x^4+21x^3-9x^2-21x\\\\=3x(3x^3+7x^2-3x-7)\\\\=3x(x^2(3x+7)-(3x+7))\\\\=3x(3x+7)(x^2-1)\\\\=3x(3x+7)(x-1)(x+1)

User Sajed
by
8.4k points
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