Question 628889
={{{3(x-2)- 9(x^2+7x+4)-5(x+8)}}}
={{{3x-6- 9x^2-63x-36-5x-40)}}} Distribute
={{{- 9x^2+3x-63x-5x-6-36-40}}} Combine like term
={{{-9x^2-65x-92}}}