Question 1180345
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Here is the expression you show:<br>
1x/3(15x-12y)-1/2(6x-4y) = {{{1x/3(15x-12y)-1/2(6x-4y)}}}<br>
(1) I have no idea if that is the expression you really intended.  Probably not -- you need to use parentheses where appropriate.<br>
(2) No interpretation of the expression you show involves multiplying binomials by trinomials....<br>
Re-post, making it clear what the given expression is and what you are supposed to do with it.<br>