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Mathematics 15 Online
OpenStudy (anonymous):

(ab - 9)(ab + 8)

OpenStudy (anonymous):

I don't know how to solve this, but I do know that you're supposed to use a method known as FOIL. First Outer Inner Last

OpenStudy (anonymous):

@whpalmer4

OpenStudy (anonymous):

solve for a or b ? @henryrurcios

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