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  • 04-05-2018
  • Mathematics
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What number must you add to the expression below to complete the square? x^2-20x?

Respuesta :

calculista
calculista calculista
  • 14-05-2018
we have that
x²-20x
Group terms that contain the same variable
(x²-20x)
Complete the square 
(x²-20x+10²)------> (x-10)²

the answer is
the number must be 100
Answer Link

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