AlCaponex187 AlCaponex187
  • 04-03-2019
  • Mathematics
contestada

Find all solutions to the system

Find all solutions to the system class=

Respuesta :

carlosego
carlosego carlosego
  • 04-03-2019

Answer:

[tex]x=-3\\y=5\\\\(-3,5)[/tex]

Step-by-step explanation:

Make both equations equal, as following:

[tex]y=y\\x^{2}+12x+32=6x+23[/tex]

Add like terms:

[tex]x^{2}+12x+32-6x-23=0\\x^{2}+6x+9=0[/tex]

Factor it as following:

[tex](x+3)^{2}=0[/tex]

Then:

[tex]x=-3[/tex] (Double root)

Substitute this into the second equation to obtain y:

[tex]y=6(-3)+23\\y=5[/tex]

Then the solution is:

[tex]x=-3\\y=5\\\\(-3,5)[/tex]

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