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Mathematics 14 Online
OpenStudy (anonymous):

Factor completely: 3bx^2 − 9x^3 − b + 3x

OpenStudy (cwrw238):

= b(3x^2 - 1) - 3x(3x^2 - 1) = (3x^2 - 1)(b - 3x)

OpenStudy (cwrw238):

first step is to group together 3bx^2 - b - 9x^3 + 3x

OpenStudy (anonymous):

thank you!

OpenStudy (cwrw238):

yw

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