Question 987744
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{{{(3x^2-2x+7)}}} - {{{(5x^2-4x+5)}}} = {{{3x^2 - 2x + 7 - 5x^2 + 4x - 5}}} = {{{(3-5)x^2 + (-2+4)x + (7-5)}}} = {{{-2x^2 +2x +2}}}.