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- PhilipLv 61 month ago
F = (x^2+8x)/(x^2-64) = x(x+8)/[x+8)(x-8)], x =/= (+/-)8. For such x, F = x/x-8).

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- PinkgreenLv 71 month ago
(x^2+8x)/(x^2-64)=

x(x+8)/[(x-8)(x+8)]=

x/(x-8).

Provided that x=/=-8

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- Iggy RockoLv 71 month ago
(x^2 + 8x)/(x^2 - 64) =

x(x + 8)/((x + 8)(x - 8)) =

x/(x - 8)

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- lenpol7Lv 71 month ago
x(x + 8) / (x - 8)(x + 8)

Cancel down by 'x+8'

Hence

x /(x - 8)

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- Engr. RonaldLv 71 month ago
.. x^2 + 8x

=-------------

..x^2 - 64

...x(x + 8)

=----------------- cancel out x + 8

..(x + 8)(x - 8)

.......x

= ----------- Answer//

.....x - 8

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- Ian HLv 71 month ago
(x^2+ 8x)/(x^2 - 64) = x(x + 8)/[(x - 8)(x + 8)] = x/(x – 8)

- Jeff AaronLv 71 month agoReport
Note: x can't be 8 or -8

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