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Mathematics, 16.11.2019 09:31 richardgibson2005

In the rational expression,
\frac{4x - 8}{x ^{2} + 4x - 12}
why is it incorrect to cancel the 4x in the numerator with the 4x in the denominator?

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In the rational expression,
[tex] \frac{4x - 8}{x ^{2} + 4x - 12} [/tex]
why is it incorr...
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