Question

1/x+4-1/x-7=11/30, x is not equals to 4,7​

Answer 1

Step-by-step explanation:

1/x+4 - 1/x-7 = 11/30

x-7-x-4 / (x²-3x-28) = 11/30

-11/(x²-3x-28) = 11/30

-(x²-3x-28) = 30

x² - 3x - 28 = -30

x² - 3x + 2 = 0

(x-1) (x-2) = 0

x = 1,2