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Mathematics 19 Online
OpenStudy (anonymous):

Factor 5x^2-25x-120

OpenStudy (pfenn1):

The first thing I would do is separate 5. \[5x^2-25x-120=5(x^2-5-24)=5(x+a)(x+b)\] where a and b must follow ab=-24 and a+b=-5.

OpenStudy (anonymous):

How do you pronounce your name?

OpenStudy (anonymous):

5(x +3)(x-8)

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