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Mathematics 18 Online
OpenStudy (anonymous):

y = (x − 5)(2x + 3) is written in standard form, what is the value of "b"?

OpenStudy (dumbcow):

Distribute or FOIL b will be the constant

OpenStudy (anonymous):

Distribute

OpenStudy (dumbcow):

oops this will be quadratic, b will be coefficient of x term

OpenStudy (anonymous):

-7

OpenStudy (dumbcow):

yes multiply x*2x then x*3 then -5*2x then -5*3 ...

OpenStudy (anonymous):

i know it has to be set up like this ax^2 + or - bx + or - c

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