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ikoreanx3

  • 2 years ago

Help! I need to show work for this question. 12b^-2-7b^-1+1=0

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  1. ikoreanx3
    • 2 years ago
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    I got b = 4,3

  2. Anonymous1921
    • 2 years ago
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    \[\frac{ 12 }{ b^{2} }-\frac{ 7 }{ b }+1=0\] Multiply both sides by b^2 \[b^{2}-7b+12=0\] So your answer looks right.

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