use polynomial long division to divide 25x^3+40x^2+25x+10
by
-5x^2-3x-2
multiply the denominator by -1 and then multiply your answer by -1 so you do not have to mess around with all the - signs
***********_5 x_+5_________________
5x^2+3x+2 | 25x^3+40x^2+25x+10
************25x^3+15x^2+10x
************------------------
******************25x^2+15x+10
******************25x^2+15x10
******************------------
R = 0
so now times -1
-5x-5 answer