What is (x^2-x-12)/(x^2-16) ?

The solution to (x^2-x-12)/(x^2-16) is (x+3)/(x+4)

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simplify (x^2-x-12)/(x^2-16)

simplify

\frac{x ^{2} - x - 12}{x ^{2} - 16}

\frac{x + 3}{x + 4}

Solution steps

\frac{x ^{2} - x - 12}{x ^{2} - 16}

Factor

x^{2} - x - 12 : (x + 3) (x - 4)

= \frac{( x + 3 ) ( x - 4 )}{x ^{2} - 16}

Factor

x^{2} - 16 : (x + 4) (x - 4)

= \frac{( x + 3 ) ( x - 4 )}{( x + 4 ) ( x - 4 )}

Cancel the common factor:

x - 4

= \frac{x + 3}{x + 4}

ln (1.15)

ln (1.01)

\frac{7}{6 - x} + \frac{7 x + 5}{x - 6}

7 \cdot (- 4)

- 15 + 3

What is (x^2-x-12)/(x^2-16) ?
The solution to (x^2-x-12)/(x^2-16) is (x+3)/(x+4)