Question

(b) 9(a - b)2 - 16(a+b)?​

Answer 1

Answer:

{3(a-b)}² = (4)²(a+b)

3(a-b) = 4(a+b)

3a - 3b = 4a + 4b

3a-4a = 4b+3b

-a = 7b

this is your ryt answer