Question

hello help me please​

Answer 1

Step-by-step explanation:

(i)

$x {}^{2} - 9x + 20 \\ x {}^{2} - 5x - 4x + 20 \\ x (x - 5) - 4(x - 5) \\ (x - 4)(x - 5)$

(ii)

$27a ^ { 3 } b ^ { 3 } -18a ^ { 2 } b ^ { 3 } +75a ^ { 3 } b ^ { 2 } \\ 3\left(9a^{3}b^{3}-6a^{2}b^{3}+25a^{3}b^{2}\right) \\ a^{2}b^{2}\left(9ab-6b+25a\right) \\ 3a^{2}b^{2}\left(9ab-6b+25a\right)$

PLEASE MARK AS BRAINLIEST