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Factor the expression X^2-9
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1 vote
Factor the expression
X^2-9

User Faheem Azaz Bhanej
by
6.9k points

1 Answer

7 votes

Answer:

(x+3)(x-3)

Explanation:

x²-b² = (x+b)(x-b)

x²-9 = x²-3² = (x+3)(x-3)

User MKorbel
by
7.6k points
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