What is (x^2-2x-7)/(x^2-9)+(3x+1)/(x^2-9) ?

The solution to (x^2-2x-7)/(x^2-9)+(3x+1)/(x^2-9) is (x-2)/(x-3)

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simplify (x^2-2x-7)/(x^2-9)+(3x+1)/(x^2-9)

simplify

\frac{x ^{2} - 2 x - 7}{x ^{2} - 9} + \frac{3 x + 1}{x ^{2} - 9}

\frac{x - 2}{x - 3}

Solution steps

\frac{x ^{2} - 2 x - 7}{x ^{2} - 9} + \frac{3 x + 1}{x ^{2} - 9}

Join

\frac{x ^{2} - 2 x - 7}{x ^{2} - 9} + \frac{3 x + 1}{x ^{2} - 9} : \frac{x - 2}{x - 3}

= \frac{x - 2}{x - 3}

e^{\frac{1}{2} x}

\frac{4}{25}

9 x^{3} - 9 x^{2} - x + 1

(i) (i)

108 - 2300

What is (x^2-2x-7)/(x^2-9)+(3x+1)/(x^2-9) ?
The solution to (x^2-2x-7)/(x^2-9)+(3x+1)/(x^2-9) is (x-2)/(x-3)