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11 votes
11 votes
X^2+9=0

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User Hussein Salman
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3.1k points

2 Answers

13 votes
13 votes

Answer:


{x}^(2) + 9 \\ \\ = {x}^(2) + 3 {}^(2) \\ \\ = (x + 3)(x - 3)

User Charles Owen
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2.4k points
26 votes
26 votes

Answer:


{x}^(2) + 9 = 0


{x}^(2) + 9


{x}^(2) + {3}^(2)


(x + 3)(x + 3)

User Erce Tilav
by
2.8k points