Mari700g Mari700g
  • 30-04-2020
  • Mathematics
contestada

5 and -7 are the solutions to (x-5) (x+7) =12

Respuesta :

ItzMikeSS
ItzMikeSS ItzMikeSS
  • 30-04-2020

Answer: No

Step-by-step explanation:

[tex](x-5)(x+7)=12[/tex]

Replace x for 5 and -7 separately.

[tex](5-5)(5+7)=12\\0(12)=12\\0=12[/tex]

[tex](-7-5)(-7+7)=12\\-12(0)=12\\0=12[/tex]

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