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5 votes
Is c^2 - 6c +9 a perfect square?

User Genisage
by
8.6k points

2 Answers

5 votes

Explanation:


{c}^(2) - 6c + 9 \\ = {c}^(2) - 2 * 3 * c + {3}^(2) \\ = (c - 3)^(2) \\

Therefore,
c^2 - 6c +9 is a perfect square.

User Squirrl
by
8.3k points
3 votes

Answer:(c-3)(c-3) yes

Explanation:

C²-6c-9

(c²-3c-)(3c+9)

c(c-3)-3(c-3)

(c-3)(c-3)

User Vincent Claes
by
7.7k points

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