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xz_007 [3.2K]
3 years ago
7

What number must be added to the expression below to complete the square? х2 - 20х

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0

Answer:

100

Step-by-step explanation:

This is formula fot completing the square:

(b/2)^(2)

(-20/2)^(2)

100

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