Question

(3a - 4b)^2
it was an challenge
do it.....​

Answer 1

$\huge\mathfrak\red{solution}$

$(3a - 4b)^{2} \\ = ( {3a}^{2} ) - 2.3a.4b + (4 {b})^{2} \\ = 9 {a}^{2} - 24ab + 16 {b}^{2}$

$\huge\mathfrak\red{hope \: it \: helps \: uhh}$

Answer 2

(3a-4b)^2

We know that (a-b)^2=a^2+b^2-2ab

(3a)^2+(4b)^2-2* 3a* 4b

9a^2+16b^2-24ab

Answer