6.9 Exercise supplement

$\begin{array}{cc}32a^{4}b,& 2b\end{array}$

$\begin{array}{cc}35x^3{y}^2,& 7x^3\end{array}$

$\begin{array}{cc}44a^2{b}^{2}c,& 11b^2\end{array}$

$\begin{array}{cc}50m^3{n}^5{p}^{4}q,& 10m^{3}q\end{array}$

$\begin{array}{cc}51{(a+1)}^2{(b+3)}^4,& 3(a+1)\end{array}$

$\begin{array}{cc}-26{(x+2y)}^3{(x-y)}^2,& -13(x-y)\end{array}$

$\begin{array}{cc}-8x^5{y}^4{(x+y)}^4{(x+3y)}^3,& -2x(x+y)\end{array}(x+3y)$

$\begin{array}{cc}-{(6a-5b)}^{10}{(7a-b)}^8{(a+3b)}^7,& -{(6a-5b)}^7{(7a-b)}^7{(a+3b)}^7\end{array}$

$\begin{array}{cc}12x^{n+6}{y}^{2n-5},& -3x^{n+1}{y}^{n+3}\end{array}$

$\begin{array}{cc}-400a^{3n+10}{b}^{n-6}{c}^{4n+7},& 20a^{2n+8}{c}^{2n-1}\end{array}$

$\begin{array}{cc}16x-32,& 16\end{array}$

$\begin{array}{cc}35a-45,& 513\end{array}$

$\begin{array}{cc}24a^2-6a,& 6a\end{array}$

$\begin{array}{cc}88x^4-33x^3+44x^2+55x,& 11x\end{array}$

$\begin{array}{cc}9y^3-27y^2+36y,& -3y\end{array}$

$\begin{array}{cc}4m^6-16m^4+16m^2,& 4m\end{array}$

$\begin{array}{cc}-5x^4{y}^3+10x^3{y}^2-15x^2{y}^2,& -5x^2{y}^2\end{array}$

$\begin{array}{cc}-21a^5{b}^6{c}^4{(a+2)}^3+35a^{5}b{c}^5{(a+2)}^4,& -7a^{4}b{(a+2)}^2\end{array}$

$\begin{array}{cc}-x-2y-c^2,& -1\end{array}$

$\begin{array}{cc}a+3b,& -1\end{array}$

$8a+4$

$10x+10$

$3y^2+27y$

$6a^2{b}^2+18a^2$

$21(x+5)+9$

$14(2a+1)+35$

$m{a}^3-m$

$15y^3-24y+24$

$r^2{(r+1)}^3-3r{(r+1)}^2+r+1$

$Pa+Pb+Pc$

$(10-3x)(2+x)+3(10-3x)(7+x)$

$4ax+x+4ay+y$

$xy+4x-3y-12$

$2ab-8b-3ab-12a$

$a^2-7a+ab-7b$

$m^2+5m+nm+5n$

$r^2+rs-r-s$

$8a^{2}bc+20a^{2}bc+10a^3{b}^{3}c+25a^3{b}^3$

$a(a+6)-(a+6)+a(a-4)-(a-4)$

$a(2x+7)-4(2x+7)+a(x-10)-4(x-10)$

$m^2-36$

$r^2-81$

$a^2+8a+16$

$c^2+10c+25$

$m^2+m+1$

$r^2-r-6$

$a^2+9a+20$

$s^2+9s+18$

$x^2+14x+40$

$a^2-12a+36$

$n^2-14n+49$

$a^2+6a+5$

$a^2-9a+20$

$6x^2+5x+1$

$4a^2-9a-9$

$4x^2+7x+3$

$42a^2+5a-2$

$30y^2+7y-15$

$56m^2+26m+6$

$27r^2-33r-4$

$4x^2+4xy-3y^2$

$25a^2+25ab+6b^2$

$2x^2+6x-20$

$-2y^2+4y+48$

$x^3+3x^2-4x$

$3y^4-27y^3+24y^2$

$15a^2{b}^2-ab-2b$

$4x^3-16x^2+16x$

$18a^2-6a+\frac{1}{2}$

$a^4+16a^{2}b+16b^2$

$4x^2-12xy+9y^2$

$49b^4-84b^2+36$

$r^6{s}^8+6r^3{s}^4{p}^2{q}^6+9p^4{q}^{12}$

$a^4-2a^{2}b-15b^2$

$81a^8{b}^{12}{c}^{10}-25x^{20}{y}^{18}$