lorena45reyes lorena45reyes
  • 20-07-2022
  • Mathematics
contestada

If (x + 1)(x-3) = 5, then which of the following statements is true?

Ox+1=0 orx-3=0
Ox+1=5 orx-3=5
Ox-4-0 orx+2=0

Respuesta :

a9892741 a9892741
  • 20-07-2022

Answer:

(x-4)=0 or (x+2)=0 is correct

Step-by-step explanation:

(x+1)(x-3)=5

x^2 -3x +x -3=5

x^2-2x-8=0

x^24x+2x-8=0

(x+2)(x-4)=0

so,

(x-4)=0 or (x+2)=0

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