Question

Упростите выражение. (8a/a^2-b^2 + 3/b-a - 4/a+b ): 1/5a-5b

Answer 1

(8a/a^2-b^2 + 3/b-a - 4/a+b ): 1/5a-5b = (8a - 3a - 3b - 4a +4 b)/(a^2 - b^2) : 1/(5a-5b) =

= 5