ultronthefirst1
ultronthefirst1 ultronthefirst1
  • 28-04-2020
  • Mathematics
contestada

answer n.8 for me pls

answer n8 for me pls class=

Respuesta :

jtalackley jtalackley
  • 28-04-2020

Answer:

Step-by-step explanation:

(13)2−(2x+7)=0

19x2−2x−7=0

9(19x2−2x−7)=9(0)

x2−18x−63=0

(x−21)(x+3)=0

Therefore, the value of x are

x - 21 = 0 and x + 3 = 0

x = 21 x = -3

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