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Mathematics 19 Online
OpenStudy (anonymous):

how i would factor 5x^3 – 35x^2 + 60x ?

OpenStudy (anonymous):

begin by looking for a GCF

OpenStudy (anonymous):

in this case we can factor out 5x

OpenStudy (anonymous):

5x(x^2-7x+12)

OpenStudy (anonymous):

5x(x-3)(x-4)

OpenStudy (anonymous):

next the inside can be factored, by finding two numbers that multiply to be 12 and add to be -7

OpenStudy (anonymous):

these numbers are of course : -3 and -4. Hence when end up with : 5x(x-4)(x-3)

OpenStudy (anonymous):

i know and thanks :)

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