notyou1100 notyou1100
  • 13-12-2016
  • Mathematics
contestada

please help me.
Factor.
25x^2+90x+81

Respuesta :

bcalle
bcalle bcalle
  • 13-12-2016
This is a special product factorization.
If the first term is a perfect square, the last term is a perfect square, and the middle term is twice the product of their square roots then you get the form
(a + b)^2.
SO....(5x + 9)^2 or (5x +9)(5x +9)
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