Answer:
9x
4
+120x
3
+550x
2
+1000x+100x2
2
+500x2+625+18x
3
x2+150x
2
x2+350×2+50x2x+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+60×2
2
+30x
2
x2+150×2
Explanation:
(3x+5)(2x2+x+5)(3x+5)(2x2+x+5)
=(6×2+3x
2
+15x+10x2+5x+25)(3x+5)(2x2+x+5)=
=(3x
2
+20x+10x2+25+6×2)(3x+5)(2x2+x+5)=
=(9x
3
+15x
2
+60x
2
+100x+30×2+50x2+75x+125+6×2⋅3x+6×2⋅5)(2x2+x+5)=
=(9x
3
+15x
2
+60x
2
+100x+30×2+50x2+75x+125+18x
2
x2+6×2⋅5)(2x2+x+5)=
=(9x
3
+15x
2
+60x
2
+100x+30×2+50x2+75x+125+18x
2
x2+30×2)(2x2+x+5)=
=(9x
3
+75x
2
+175x+50x2+125+30×2+18x
2
x2+30×2)(2x2+x+5)=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+30×2⋅2x2+30×2x+30×2⋅5+18x
2
x2⋅2x2+18x
2
x2x+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30×2x+30×2⋅5+18x
2
x2⋅2x2+18x
2
x2x+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+30×2⋅5+18x
2
x2⋅2x2+18x
2
x2x+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+18x
2
x2⋅2x2+18x
2
x2x+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
2
x2x+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+18x
2
x2⋅5+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+30×2⋅2x2+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+60×2
2
+30×2x+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+60×2
2
+30x
2
x2+30×2⋅5=
=18x
3
x2+9x
4
+45x
3
+150x
2
x2+75x
3
+375x
2
+350×2+175x
2
+875x+100x2
2
+50x2x+250x2+250x2+125x+625+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+60×2
2
+30x
2
x2+150×2=
=9x
4
+120x
3
+550x
2
+1000x+100x2
2
+500x2+625+18x
3
x2+150x
2
x2+350×2+50x2x+60×2
2
+30x
2
x2+150×2+36x
2
x2
2
+18x
3
x2+90x
2
x2+60×2
2
+30x
2
x2+150×2