Question

Simplify: (3y − 4)^2

Answer 1

FOIL

Answer 2

(a-b)^2 = a^2 + b^2 - 2ab

put a = 3y

b = 4

Answer 3

\[(a - b)^2 = a^2 + b^2 - 2ab\]

Here a = 3y and b= 4,

plug in the values and then solve..