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Factor completely 9x2 + 42x + 49. (2 points) a) (3x + 7)(3x − 7) b) (9x − 7)(9x − 7) c) (3x + 7)(3x + 7) d) (9x + 7)(9x + 7)
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Factor completely 9x2 + 42x + 49. (2 points)

a) (3x + 7)(3x − 7)
b) (9x − 7)(9x − 7)
c) (3x + 7)(3x + 7)
d) (9x + 7)(9x + 7)

User Omar Tammam
by
8.3k points

1 Answer

3 votes
The correct answer is C (3x+7)(3x+7)
User Nachti
by
9.1k points
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Factorise completely: 9x2 + 42x + 49
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