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Mathematics 21 Online
OpenStudy (anonymous):

When the quadratic equation y = (x − 4)(2x + 5) is written in standard form, what is the value of the coefficient "b"?

OpenStudy (amistre64):

what do you get when you expand it out? or "foil" it ...

OpenStudy (ryan123345):

|dw:1366805406648:dw|

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