jadeburrell2361 jadeburrell2361

20-02-2018
Mathematics

contestada

what is the gcf of the numerator and denominator of the rational expression
3x-15/x^2-x-20

A: x-5
B: x+4
C: 4
D: 5

Respuesta :

sqdancefan sqdancefan

25-02-2018

[tex] \frac{3x-15}{x^2-x-20} = \frac{3(x-5)}{(x+4)(x-5)}[/tex]

The only common factor is (x -5).

Selection A is appropriate.

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