Question

How do you factor `b^2 + 4b - 32`?

Answer 1

`b^2+4b-32 = (b+8)(b-4)`

Explanation:

Find a pair of factors of `32` which differ by `4`.

The pair `8`, `4` works, hence:

`b^2+4b-32 = (b+8)(b-4)`