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Mathematics 8 Online
OpenStudy (anonymous):

Factor -2bk2 + 6bk - 2b. -2b(k2 - 3k - 1) -2b(k2 + 3k + 1) -2b(k2 - 3k + 1)

Parth (parthkohli):

The common factor is -2b. \[\Large \color{purple}{\rightarrow -2b(? - ? + ?) }\]

Parth (parthkohli):

You've got the answer indirectly. See the signs.

OpenStudy (anonymous):

ya the bottom one

Parth (parthkohli):

Yes.

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