SOLUTION: Perform the indicated operations 5x -2/x2nd power - 5x -14

SOLUTION: Perform the indicated operations 5x -2/x2nd power - 5x -14 - 3/x2nd power + 2x

Question 142960: Perform the indicated operations
5x -2/x2nd power - 5x -14 - 3/x2nd power + 2x
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
5x -2/x2nd power - 5x -14 - 3/x2nd power + 2x
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[(5x-2)/(x^2-5x-14)] - [3/(x^2+2x)]
= [(5x-2)/(x-7)(x+2)] - [3/(x(x+2)]
lcd = x(x-7)(x+2)
= [x(5x-2)/lcd] - [3(x-7)/lcd]
= [5x^2-2x-3x+21]/lcd
= [5x^2-5x+21]/[x(x-7)(x+2)]
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Cheers,
Stan H.

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