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X 3 )( x 7 expand
X 3 )( x 7 expand pictures 5
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X 3
X 3 )( x 7 expand
7 x 2 )- 2 x 3 expand and simplify
expand 2 x 7 )+ 3 x 1
x 3 )( x 7 expand and simplify
x 3 )( x 7 expand
