Question

3. Factor 64a² - 121b²

Answer 1

b = 11b

Explanation:

Use the difference of squares formula,
`a^(2) -b^(2) = (a+b) (a -b) \\` where
`a = 8a` and
`b = 11b`

(8a + 11b) (8a - 11b)

I think this is right, Hope it helps!