<PRE><B>Question 499436</B>

{{{(6x^3 - 5x^2 - 2) - (5x^2 - 7x + 2) }}}



{{{6x^3 - 5x^2 - 2-5x^2+7x - 2 }}}



{{{6x^3+(-5x^2-5x^2)+7x+(-2-2)}}}



{{{6x^3-10x^2+7x-4}}}



So {{{(6x^3 - 5x^2 - 2) - (5x^2 - 7x + 2)=6x^3-10x^2+7x-4 }}}
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