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Factor completely 3x2-9x-12
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Factor completely 3x2-9x-12

User Hans One
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1 Answer

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3x² - 9x - 12 =
3(x² - 3x - 4) =
3(x² + x - 4x - 4) =
3(x(x+1)-4(x+1)) =
3(x+1)(x-4)
User Sdgd
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