nick2k158
nick2k158 nick2k158
  • 22-04-2020
  • Mathematics
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Please help me! I need this to complete my math hw

Please help me I need this to complete my math hw class=

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sqdancefan
sqdancefan sqdancefan
  • 22-04-2020

Answer:

  1

Step-by-step explanation:

You "complete the square" by adding the square of half the x-term coefficient. Here, that is ...

 ((-2)/2)² = 1 . . . . value added to complete the square

If you want to keep 0 on the right, you must also subtract this value:

  x² -2x -36 = 0

  x² -2x +1 -36 -1 = 0 . . . . . . add and subtract 1 on the left

  (x -1)² -37 = 0 . . . . . . . . . . . written as a square

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