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Mathematics 19 Online
OpenStudy (cocoacup):

Multiply the binomials using the FOIL method. (b + 3)(b + 9)

OpenStudy (jango_in_dtown):

=b^2+9b+3b+3*9=???

OpenStudy (cocoacup):

b^2 + 6b - 27?

OpenStudy (jango_in_dtown):

b^2+12b+27

OpenStudy (jango_in_dtown):

where is - comming from?

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