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-10 x 2 + 21x + 10 How do I factor this?
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4 votes
-10 x 2 + 21x + 10 How do I factor this?

User Codingbuddha
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1 Answer

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-10x^2+21x+10=\\ -10x^2+25x-4x+10=\\ -5x(2x-5)-2(2x-5)=\\ -(5x+2)(2x-5)
User Joe Frank
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