Question

write in standard form
$\frac{1}{x + 4} + \frac{1}{x - 4} = 3$
​

Answer 1

Answer:

3x² - 2x - 48 = 0

Step-by-step explanation:

1/(x + 4) + 1/(x - 4) = 3

Take LCM:

(x - 4) + (x + 4)/(x -4)(x +4) = 3

(x - 4 + x + 4)/x² - 16 = 3

2x = 3(x² - 16)

2x = 3x² -   48

3x² - 2x - 48 = 0