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3 votes
Factor. x2 - 4x - 5 ​

User TomoJ
by
5.0k points

2 Answers

2 votes

Answer:


(x+1)(x-5)

Explanation:


x^2-4x-5

To solve, we will need to factor.


x^2-4x-5

Now we got an answer!


(x+1)(x-5)

Hope this helps!

User Jossean Yamil
by
3.7k points
3 votes

Answer:

x = 5

x = -1

Explanation:

x^2 - 4x - 5 = 0

x^2 - 5x - x - 5 = 0

x(x -+1) + 1 (x - 5) = 0

(x + 1) (x - 5) = 0

x + 1 = 0

x = -1

x - 5 = 0

x = 5

therefore, x = 5 , x = -1

User Rod McLaughlin
by
4.3k points