Mathematics
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OpenStudy (anonymous):
How do you factor? For example 3x^2 - 12x^3=
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OpenStudy (cwrw238):
take out the GCF
whats GCF of the numbers 3 and 12?
OpenStudy (cwrw238):
GCF - greatest common factor
OpenStudy (anonymous):
and then?
OpenStudy (cwrw238):
then you find GCF of x^2 and x^3
and join it with first GCF
OpenStudy (cwrw238):
can u find first GCF - of 3 and 12?
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OpenStudy (cwrw238):
can u find first GCF - of 3 and 12?
OpenStudy (cwrw238):
its the largest number that will divide into both 3 and 12
OpenStudy (anonymous):
the GCF is 3.
OpenStudy (anonymous):
and x
the GCF is 3x
OpenStudy (cwrw238):
not quite
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OpenStudy (anonymous):
because if you 3x by (x-4x^2) then you wud get ur orignial equation
OpenStudy (cwrw238):
GCF is 3x^2
OpenStudy (anonymous):
yup dats rite
OpenStudy (cwrw238):
and factors are 3x^2(1 - 4x)
OpenStudy (anonymous):
does this help u a liiltle more ?
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OpenStudy (cwrw238):
x^3 / x^2 = x^(3-2) = x
OpenStudy (anonymous):
ok u lost me bt it al gud
OpenStudy (anonymous):
Thanks!
OpenStudy (cwrw238):
when you multiply things like x^3 , x^2 you add the powers
x^3 * x^2 = x^(3+2) = x^5
when dividing u subtract the powers
OpenStudy (cwrw238):
yw lolkimkim
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OpenStudy (anonymous):
u raise the powers
OpenStudy (anonymous):
ooohhh yeeah