Question

(3a-4bc)² =............​

Answer 1

Answer:

$9a {}^{2} - 24abc + 16b {}^{2} c {}^{2}$

is the answer.

Answer 2

Answer:

$(3a - 4bc) ^{2} \\(3a - 4bc)(3a - 4bc) \\ 3a(3a - 4bc) - 4bc(3a - 4bc) \\ 9 {a}^{2} - 12abc - 12abc + 16bc ^{2} \\ 9 {a }^{2} - 24abc + 16 {b^2c}^{2}$

Hope it's helpful.....