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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
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3 votes
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 + 9)2 (x + 27)(x – 3) (x-example-1
User Rafff
by
6.3k points

1 Answer

3 votes

Answer:


(x-9)^(2)

Explanation:

By factorization, we get ----


x^(2) -18x+81\\=x^(2) -9x-9x+81\\=x(x-9)-9(x-9)\\=(x-9)(x-9)\\=(x-9)^(2)

User Neoh
by
5.3k points
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