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Mathematics 7 Online
OpenStudy (laddiusmaximus):

factor 2x^2+40x+198

OpenStudy (laddiusmaximus):

i cant get it quite right

OpenStudy (anonymous):

divide by 2 x^2+20x+99

OpenStudy (anonymous):

(x+11)(x+9)

OpenStudy (laddiusmaximus):

thats not quite right

OpenStudy (anonymous):

think about factor of 99 and sum two of them must equal to 20

OpenStudy (anonymous):

2(x+11)(x+9)

OpenStudy (laddiusmaximus):

that doesnt seem right.

OpenStudy (anonymous):

really http://www.wolframalpha.com/input/?i=2x^2%2B40x%2B198

OpenStudy (anonymous):

|dw:1327974621512:dw|

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