The boss gives all his employees a 4% pay rise.
2 answers:
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Make denomenators the same
times left denomenator by (x+3)/(x+3) and right one by (x-9)/(x-9)
=
=
=
if expandded we get
times left denomenator by (x+3)/(x+3) and right one by (x-9)/(x-9)
if expandded we get
