<PRE><B>Question 458683</B>
{{{(2/3x^2 + 1/2x - 1/4) + (1/2x^2 - 1/3x - 5/6)}}}


{{{(2*2x*4 + 1*3x^2*4 - 1*3x^2*2x)/(3x^2*2x*4) + (1*3x*6- 1*2x^2*6 - 5*2x^2*3x)/(2x^2*3x*6))}}}


{{{(16x + 12x^2 - 6x^3)/(24x^3) + (18x- 12x^2 - 30x^3)/(36x^3))}}}


{{{2x(8 + 6x - 3x^2)/(24x^3) + 6x(3- 2x - 5x^2)/(36x^3))}}}


{{{cross(2)cross(x)(8 + 6x - 3x^2)/(cross(24)12x^cross(3)^2) + cross(6x)(3- 2x - 5x^2)/(cross(36)6x^cross(3)^2)))}}}


{{{(8 + 6x - 3x^2)/12x^2 + (3- 2x - 5x^2)/(6x^2)))}}}


{{{((8 + 6x - 3x^2)+ 6(3- 2x - 5x^2))/(12x^2)))}}}


{{{((8 + 6x - 3x^2 + 18- 12x - 30x^2)/(12x^2)))}}}


{{{((- 30x^2- 3x^2-6x+ 26)/(12x^2)))}}}


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