hailiemj03 hailiemj03
  • 21-08-2020
  • Mathematics
contestada

Which expression represents x? – 18x + 81 in factored form?
(x + 9)2
(x + 27)(x – 3)
(x – 9)
(x + 9)(x -9)
1
2
3
4 5

Which expression represents x 18x 81 in factored form x 92 x 27x 3 x 9 x 9x 9 1 2 3 4 5 class=

Respuesta :

babykutush2004
babykutush2004 babykutush2004
  • 21-08-2020

Answer:

[tex](x-9)^{2}[/tex]

Step-by-step explanation:

By factorization, we get ----

[tex]x^{2} -18x+81\\=x^{2} -9x-9x+81\\=x(x-9)-9(x-9)\\=(x-9)(x-9)\\=(x-9)^{2}[/tex]

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