3 years ago

What number would you add to both sides of x2 + 7x = 4 to complete the square? o 22

Mathematics

1 answer:

Vika [28.1K]3 years ago

4 0

Answer:

49/4

Step-by-step explanation:

x^2 + 7x = 4

Take the coefficient of x

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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