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Mathematics 11 Online
OpenStudy (anonymous):

Complete y^2+15y+56=(y+7)(y+?)

OpenStudy (anonymous):

well ask yourself which number multiplied by 7 will give you 56

OpenStudy (anonymous):

8

OpenStudy (anonymous):

yup so thats the ? because if you multiply 7x8 you get the constant and if you add them you get the middle term

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