Question

(2a-3b)² please solve this ​

Answer 1

( 2a - 3b ) ²

use binomial theorem ( p - q ) ² = p² - 2pq + q² to expand ( 2a - 3b ) ²

4a² - 12ab + 9b²

Answer 2

Answer:

4a²-12ab+9b²

Step-by-step explanation:

it is in form of (a-b)²

so it can be expanded as a²-2ab+b²

(2a)²-(2×2a×3b)+(3b)²

4a²-12ab+9b²