Question

How do you factor `64-a^2b^2`?

Answer 1

`64-a^2b^2 = (8+ab)(8-ab)`

Explanation:

`64 - a^2b^2`
`color(white)("XXXX")` `=8^2 - (ab)^2`
This is the difference of squares with factors:
`color(white)("XXXX")` `=(8+ab)(8-ab)`