michaelhay894p2ghky michaelhay894p2ghky

11-05-2020
Mathematics

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What number would you add to both sides of x2 + 7x = 4 to complete the square?
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wegnerkolmp2741o wegnerkolmp2741o

11-05-2020

Answer:

49/4

Step-by-step explanation:

x^2 + 7x = 4

Take the coefficient of x

7

Divide by 2

7/2

Square it

(7/2) ^2 = 49/4

Add this to each side

x^2 + 7x +49/4= 4+49/4

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