Question 145334
{{{(x^2 - 11x + 4) - (-2x^2 + 2x - 6) - (x^2 + 6x - 5)}}} Start with the given expression



{{{x^2 - 11x + 4 +2x^2 - 2x +6-x^2 - 6x + 5}}} Distribute



{{{2x^2 - 19x + 15}}} Combine like terms