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Mathematics 8 Online
OpenStudy (anonymous):

I factored 4x^2-36x+81 as (2x+9)^2. is that correct?

OpenStudy (anonymous):

Little bit wrong..

ganeshie8 (ganeshie8):

4x^2-36x+81 hint : mid term is negative

OpenStudy (anonymous):

Check for sign in between..

OpenStudy (anonymous):

what sign in between

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