antparks08 antparks08
  • 07-06-2020
  • Mathematics
contestada

Find the value of c that completes the square. x'2+42x+C

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 07-06-2020

Answer:

441

Step-by-step explanation:

x^2 + 42x + c

Take the coefficient of x

42

Divide by 2

42/2 = 21

Square it

21^2 =441

This is the value of c

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