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andreev551 [17]
3 years ago
13

What number must you add to complete the square?

Mathematics
1 answer:
eimsori [14]3 years ago
8 0

Answer:

36

Step-by-step explanation:

x^2 + 12 x  = 40

To complete the square, take the coefficient of the x term

12

Divide by 2

12/2 = 6

Square it

6^2 = 36

Add 36 to each side

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