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If using the method of completing the square to solve the quadratic equation
x²– 15x – 23 = 0, which number would have to be added to "complete the
square?
​

Respuesta :

wegnerkolmp2741o

Answer:

225/4

Step-by-step explanation:

x²– 15x – 23 = 0

To complete the square

We take to coefficient of the x term

-15

divide by 2

-15/2

Square it

225/4

Add it to each term

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