Factorise the following.

Answer:
Step-by-step explanation:
i). [tex]\frac{48a^3}{6a}=\frac{6\times 8\times a\times a^2}{6a}[/tex]
[tex]=\frac{6a}{6a}\times 8a^2[/tex]
= 8a²
ii). [tex]\frac{72a^3b^4c^5}{8ab^2c^3}[/tex] = [tex]\frac{8\times 9\times a\times a^2\times b^2\times b^2\times c^2\times c^3}{8ab^2c^3}[/tex]
= [tex]\frac{8ab^2c^3}{8ab^2c^3}\times 9a^2b^2c^2[/tex]
= 9a²b²c²