36𝑥^6 𝑦^8 𝑧^2−25𝑎^2
(2y-5x)^2
32-a^5
64c^3+8
-81a^2+169x^2
(3x+2a)^3
12xy-3x^2y^2+15x^3y^3
x^2+2x-15
a^2-6a+9
5x^2-2x-3
=(13x+9a)(13x-9a)
=4y^2-20xy+25x^2
=(a-3)^2
=(5x+3)(5x-1)
=(2-a)(16+8a+4a^2+2a^3+a^4)
=3xy(4-xy+5x^2y^2)
=(4c+2)(16c^2-8c+4)
=(6x^3y^4z+5a)(6x^3y^4z-5a)
=27x^3+54x^2a+36xa^2+8a^3
=(x+5)(x-3)
