17040078 17040078
  • 13-02-2017
  • Mathematics
contestada

What must be added to 3x -7 to make x2 + 4x -1?

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Jedimaster13
Jedimaster13 Jedimaster13
  • 16-02-2017
you must add x^2 + x + 6
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girlladythat
girlladythat girlladythat
  • 16-11-2018

The term that can be added is the difference between the two expressions you have:

x^2+4x-1-(3x-7)

x^2+4x-1-3x+7

x^2+x+6

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