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Mathematics 21 Online
OpenStudy (anonymous):

what is the factored form of the expression? d^2 + 18d + 81

OpenStudy (hoblos):

(d+9)^2

OpenStudy (hoblos):

a^2 +2ab + b^2 = (a+b)^2

OpenStudy (anonymous):

Click there and it has ur answer! ^

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