<PRE><B>Question 64934</B>
Y^3(10X^2+3Y-1)(5X^3-3XY-Y) FIRST WE MULTIPLY BOTH TERMS ( )( ) BY Y^3 THUS
(10X^2Y^3+3Y^4-Y^3)(5X^3Y^3-3XY^4-Y^4) NOW MULTIPLY THESE TWO TERMS THUS
(5X^3Y^3-3XY^4-Y^4)
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50X^5Y^6+15X^3Y^7-5X^3Y^6
*********-30X^3Y^7-9XY^8+3XY^7
******************-10X^2Y^7-3Y^8+Y^7
-------------------------------------------------------
50X^5Y^6-15X^3Y^7-5X^3Y^6-9XY^8+3XY^7-10X^2Y^7-3Y^8+Y^7
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MERRY CHRISTMAS</PRE>