Question

Factoring ,
a² +4a - 5

Answer 1

(a +5)(a - 1) or (a - 1)(a + 5)

Explanation:

You need to add to 4 and multiply to get -5

If you add 5 and -1, you get four and if you multiply 5 and -1, you get -5. Therefore, answer might be (a + 5)(a - 1).