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Viefleur [7K]
3 years ago
8

What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72

Mathematics
2 answers:
Studentka2010 [4]3 years ago
6 0

In order to complete the square with the numbers that you have, you would have to add 12.25 to both sides.

In order to complete the square, you always have to add half of the x coefficient squared. Since the x coefficient is 7, we take half of that (3.5) and square it to get 12.25.

Harlamova29_29 [7]3 years ago
5 0

(7/2)^2

is the answer

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