We divide 8 by 2 and x^9 by x^7 . Thus 8x^92x^7 = ( 82 ) (x^9x^7 ) = 4x^9 7 = 4x^2 . ...

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Cube-Root of Decimal Numbers

Divide -8x9...

Question

Divide $- 8 x^{9}$ by $2 x^{7}$

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Solution

We divide $- 8$ by $2$ and $x^{9}$ by $x^{7}$ . Thus
$\frac{- 8 x^{9}}{2 x^{7}} = (\frac{- 8}{2}) (\frac{x^{9}}{x^{7}}) = - 4 x^{9 - 7} = - 4 x^{2}$ .

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