JanessaBreezy JanessaBreezy
  • 28-05-2020
  • Mathematics
contestada

What number should be added to both sides of the equation to complete the square? x2 – 10x = 7

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 28-05-2020

Answer:

25

Step-by-step explanation:

x^2 – 10x = 7

Take the coefficient of x

-10

Divide by 2

-10/2 = 5

Square it

5^2 = 25

Add this to both sides

x^2 – 10x+25 = 7+25

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