Question

15x^2+20/x-6/6x^2+8/x^2-36

Answer 1

\[\frac{15x^2+20}{x-6}=\frac{6x^2+8}{x^2-36}\]
so what are the denominators we have here?

Answer 2

factoriz x^2 -36 = ...

us formula a^2 -b^2 =(a-b)(a+b)

in case of numerators factorize out the common factor

see what you get on left and right side

simplifies what is possible