Question

найдите значение алгебраической дроби предварительно сократив ее

Answer 1

(4x - 24)/(x^2 - 6x) = 4(x - 6)/x(x - 6) = 4/x
x = 5 ==>
4/5 = 0,8

(x^2 + 10x + 25)/(x + 5) = (x + 5)^2/(x + 5) = x + 5 
x = 995 ==>
995 + 5 = 1000

Answer 2

4(x-6) x(x-6) = 4x = 45
(x+5)(x+5) x+5 = x+5 = 1000