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sukhopar [10]
3 years ago
13

Which number should be added to both sides of the equation to complete the square x^2-10x=7

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

  25

Step-by-step explanation:

The number that needs to be added is the square of half the x-coefficient:

  (-10/2)^2 = 25

_____

Adding that gives ...

  (x -5)^2 = 32

  x = 5 ± 4√2

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