anonymous
  • anonymous
What number should be added?? x^(2)-4x My results is 4.. But it is -4 o 4?? I am confused!! Thx!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Directrix
  • Directrix
I assume you are making a perfect square trinomial. If so, you could write the two possible trinomials and determine which one might factor as a square. x^(2) -4x + 4 = and then x^(2 ) -4x - 4 = How did you get the 4? That may be a clue as to whether the last term is 4 or -4.
Directrix
  • Directrix
What do you think the answer is? 4 or -4? I'll attempt to factor and see what happens.

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