Question 152628

{{{(3x^2+x-5) + (-4x^2-4x+1)}}} Start with the given expression



{{{(3x^2-4x^2)+(x-4x)+(-5+1)}}} Group like terms



{{{-x^2-3x-4}}} Combine like terms



So {{{(3x^2+x-5) + (-4x^2-4x+1)=-x^2-3x-4}}}