__Identities____ and the ____ sign at GCSE__

To understand the idea of an identity, consider the following
question:

__Question:__ Show that

__Solution:__ What this question wants is for you to
expand and simplify the LEFT HAND SIDE and show
that it equals the RIGHT HAND SIDE.

Well, here goes:

Perfect, we have got exactly
what the question wanted

We will now consider a range of
other examples up to A*. I have highlighted any important negative signs in
red

__Example 1: __

Show that

__Example 2:__

Show that

__Algebraic Fractions –
potentially A* __

__FIRST EXAMPLE__

__SECOND EXAMPLE__