Question

3-12(a-b)sq
pls answer. ​

Answer 1

Answer:

3-12 will be -9 square because it will be subtracted

Answer 2

Question : 3 - 12 (a-b)²

Identity Used : (a-b)² = a² + b² - 2ab

Answer : 3 ( 1 - 2a + 2b ) ( 1 + 2a - 2b )

Step by explanation :

3 - 12(a-b)²

3(1 - 4(a-b)² )

3 ( 1 - 2²(a-b)² )

3 ( 1 - 2(a-b) ) ( 1 + 2(a-b) )

3 ( 1 - 2a + 2b ) ( 1 + 2a - 2b )

Hope it helps......