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Mathematics 15 Online
OpenStudy (anonymous):

Factor the expression: x^2 - 4x - 12

OpenStudy (anonymous):

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OpenStudy (anonymous):

so (x-6)(x+2)

OpenStudy (anonymous):

@barbillus it's against the coc to do all the work please let the person engage next time

OpenStudy (anonymous):

ok you are right

OpenStudy (texaschic101):

that is not explained very well because -4 * 3 is also -12

OpenStudy (anonymous):

nice job explaining though

OpenStudy (anonymous):

thats true also didnt think of that

OpenStudy (texaschic101):

you have to have 2 numbers when added equals the middle number and when multiplied equals the last number

OpenStudy (texaschic101):

its not really that easy to explain... read this.. http://www.algebrahelp.com/lessons/factoring/trinomial/

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