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18-07-2019
Mathematics

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What number must be added to the expression below to complete the square x^2+3x

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

19-07-2019

Answer:

9/4

Step-by-step explanation:

x^2+3x

Take the coefficient of the x term, 3

Then divide by 2, 3/2

Then square it (3/2) ^ = 9/4

This is what you need to add to complete the square

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