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OpenStudy (anonymous):
This is a Quadratic Equation, solve it by factoring please. 0=3x^2-9x-12
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OpenStudy (anonymous):
(3x -12)(x+1)
OpenStudy (anonymous):
x=4, -1
OpenStudy (anonymous):
thank you,how did you get that?
OpenStudy (anonymous):
I just factored it. Do you know how to use the criss-cross method?
OpenStudy (anonymous):
yahh i do
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OpenStudy (anonymous):
but i usually use middle term decomposition
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