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Mathematics 23 Online
OpenStudy (anonymous):

Factor completely: 9x2 + 42x + 49 (3x + 7)(3x − 7) (9x − 7)(9x − 7) (3x + 7)(3x + 7) (9x + 7)(9x + 7)

Parth (parthkohli):

It's a perfect square.

Parth (parthkohli):

(3x + 7)(3x + 7)

OpenStudy (anonymous):

..if you can't figure out the answer, just multiply all the options together.

Parth (parthkohli):

Try to multiply and you get 9x2 + 42x + 49 :D

Parth (parthkohli):

@Jaylikescookies wow you know a lot!

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