as587
as587 as587
  • 26-04-2021
  • Mathematics
contestada

Which of the following leading terms would make the expression a perfect square trinomial?
____ −140xy+100y2

A) 49x^2
B) 25x^2
C) 81x^2
D) 64x^2

Respuesta :

dilbert21 dilbert21
  • 26-04-2021
A) 49x^2

Because:
(7x-10y)^2 = 49x^2 - 140xy + 100y^2
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