Question 85042
{{{(5m^2+2m+9)-(7m^2-5m-8)}}}



{{{5m^2+2m+9-7m^2+5m+8}}} Distribute the negative



{{{(5m^2-7m^2)+(2m+5m)+(9+8)}}} Group like terms


{{{-2m^2+7m+17}}} Combine like terms