Question

16(a - b)2
- 9(a + b)²​

Answer 1

Answer:

(7a-b)(a-7b)

Step-by-step explanation:

16(a-b)^2-9(a+b)^2

16(a^2+b^2-2ab)-9(a^2+b^2+2ab)

16a^2+16b^2-32ab-9a^2-9b^2-18ab

7a^2+7b^2-50ab

(7a-b)(a-7b)