emilylangford1234 emilylangford1234

01-03-2019
Mathematics

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f(x)=3x^2-4x-15 and g(x)=x^2 -9. Find f(x) /g(x)
A.) 3x + 5 (over/) x-3
B.) 3x - 5 (over/) x-3
C.) 3x + 5 (over/) x-3
D.) 3x - 5 (over/) x-3

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Kamikazeminem Kamikazeminem

01-03-2019

[tex]Answer: \\ \frac{3 {x}^{2} - 4x - 15 }{ {x}^{2} - 9 } \\ = \frac{(3x + 5)(x - 3)}{(x - 3)(x + 3)} \\ = \frac{3x + 5}{x + 3} [/tex]

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