Question

simplfy rational algebraic expression x-5/(5x-sqrt5)(5x+sqrt5)

Answer 1

yes..

Answer 2

is this
\[\frac{x-5}{(5x-\sqrt{5})(5x+\sqrt{5})}\]

Answer 3

ok here is what you use:
\[(a+b)(a-b)=a^2-b^2\]

Answer 4

ok

Answer 5

therefore you denominator is straightforward. it is
\[(5x)^2-\sqrt{5}^2\]
aka
\[25x^2-5\]

Answer 6

yep..then..

Answer 7

stick that under your numerator and be done!

Answer 8

ok il try it..thanks...