Mommyde6sts6
Mommyde6sts6 Mommyde6sts6
  • 08-07-2016
  • Mathematics
contestada

one of the solutions to x2 − 2x − 15 = 0 is x = −3. what is the other solution? x = −5 x = −1 x = 1 x = 5

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 09-07-2016
[tex] x^{2} -2x-15=0[/tex]
P(-15)
s(-2)
[tex] x^{2} -5x+3x-15[/tex]
=x(x-5)+3(x-5)
=(x+3)(x-5)
x=5
Answer Link
5pfj7zmnqw 5pfj7zmnqw
  • 20-01-2021

Answer:

5

Step-by-step explanation:

5

Answer Link

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