alexroman99owp9bw
alexroman99owp9bw alexroman99owp9bw
  • 02-11-2017
  • Mathematics
contestada

What is the factored form of x2 − 4x − 5?

a.(x + 5)(x − 1)
b.(x + 5)(x + 1)
c.(x − 5)(x − 1)
d.(x − 5)(x + 1)

Respuesta :

Аноним Аноним
  • 02-11-2017
The answer is d. (x-5)(x+1)
Answer Link
Аноним Аноним
  • 02-11-2017
Hello There!

Let's expand all the options to see which one is correct:

(x + 5)(x - 1)
==> [tex] x^{2} + 4x - 5[/tex]

(x +5)(x+1)
==> [tex] x^{2} + 6x + 5[/tex]

(x - 5)(x - 1)
==> [tex] x^{2} - 6x + 5[/tex]

(x - 5)(x + 1)
==> [tex] x^{2} - 4x - 5[/tex]

Therefore, it is option D.

Hope This Helps You!
Good Luck :) 

- Hannah ❤



Answer Link

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