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BBB83

  • 4 years ago

x^3+5x^2-16x-80 what are the X intercepts?

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  1. rivermaker
    • 4 years ago
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    \[x^2(x + 5) - 16(x+5)\] \[(x+5)(x^2-16)\] \[(x+5)(x+4)(x-4)\] => x = -5, -4, +4

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