Adding and Subtracting
(3r^3-6+8r^4)+(8-5r^3-5r^4)
3r^4-2r^3+2
8(8b-3)
64b-24
(n-8)(n-6)
n^2-14n+48
(n+8)(2n^2-8n+5)
2n^3+8n^2-59n+40
(x-1)^2
x^2-2x+1
(8-4r^2-2r^4)+(4r^2-7-r^4)
-3r^4+1
4x^2(6x-2)
24x^3-8x^2
(x-3)(5x+8)
5x^2-7x-24
(a-5)(8a^2+7a-4)
8a^3-33a^2-39a+20
(5x+2)^2
25x^2+20x+4
(2b^3+7b^2+1)-(8b^2+5b^3-3b)
-3b^3-b^2+3b+1
2(8m^2-3m+6)
16m^2-6m+12
(4r-4)(r+6)
4r^2+20r-24
(3n+5)(7n^2+8n-3)
21n^3+59n^2+31n-15
(k+5)(k-5)
k^2-25
(4-4p^3-2p^4)-(5+5p^4+6p^3)
-7p^4-10p^3-1
2n(3n^2+4n+1)
6n^3+8n^2+2n
(4r-1)(5r-3)
20r^2-17r+3
(6x+4)(2x^2+8x+7)
12x^3+56x^2+74x+28
(2x+7)(2x-7)
4x^2-49
(4p^4-6p^3-2p^2)-(7p^2-2p^3-6p^4)
10p^4-4p^3-9p^2
4x^4(5x^2+7x-7)
20x^6+28x^5-28x^4
(8x-6)(3x+7)
24x^2+38x-42
(2b-5)(6b^2-3b+7)
12b^3-36b^2+29b-35

7x^2-9x-6