Dgbcool
Dgbcool Dgbcool
  • 05-12-2017
  • Mathematics
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Please help me I don't know

Please help me I dont know class=

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Аноним Аноним
  • 05-12-2017
To find a perfect square we want the equation to look like (y - 8)(y-8) because 
the two numbers that add up to -16 and multiply into 64. are -8, -8. -8^2 is 64.
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xisca xisca
  • 05-12-2017
64 is the answer because it is in the form of x^2 -2xy+y^2. so y^2- 2.y.8+ 8^2
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