Question 118595
{{{(k^2-5k+3)-(3k^2-4m-7)}}} Start with the given expression



{{{k^2-5k+3-3k^2+4m+7}}} Distribute the negative




{{{(k^2-3k^2)+(-5k)+(4m)+(3+7)}}} Group like terms


{{{-2k^2-5k+4m+10}}} Combine like terms