anai5164 anai5164
  • 26-04-2018
  • Mathematics
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Hat value is needed to fill in the blank to make this trinomial a perfect square trinomial. 4x2 + __x + 81?

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mariiihovsepyap7s1m1 mariiihovsepyap7s1m1
  • 26-04-2018
36, because the square root of 4 is 2 and the square root of 81 is 9. You multiply those and then double it to get 36.
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