Question 260430
Hint: Recall that {{{(A+B)(C+D+E)=A(C+D+E)+B(C+D+E)}}}. So in this case {{{(-4x - 3y)(2x - 9y + 1)=-4x(2x - 9y + 1)-3y(2x - 9y + 1)}}}. I'll let you continue from here.