x + x + 2x
=
x
(3-2)·(-x)·(-3)
=
x
( 2 + 3 )·x
=
x
x·( 2·3 )
=
x
( 3x )2
=
x
( x - 3x )2
=
x
Comments
Sign in to leave a comment
No comments yet. Be the first to comment!