Mathematics
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OpenStudy (anonymous):
xsquared - 7x+12=0
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OpenStudy (anonymous):
do know how to do factoring?
OpenStudy (anonymous):
yeah i just cant remember
OpenStudy (anonymous):
oh damn is that with the tree thing like 2 coloumns
OpenStudy (anonymous):
ok so I would do factoring
let me teach you xD
OpenStudy (anonymous):
ok thanks
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OpenStudy (anonymous):
but let me do it out first
can you wait?
OpenStudy (anonymous):
yeah totally
OpenStudy (anonymous):
first you find 2 #'s that multiply to get 12 and would add up to 7
OpenStudy (anonymous):
do you have no guess?
OpenStudy (anonymous):
3 and 4
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OpenStudy (anonymous):
right?
OpenStudy (anonymous):
yup
the +12 means that the symbols are the same so they are both subtraction
you split the x squared in half so like this (x-4) (x-3)
OpenStudy (anonymous):
=0
OpenStudy (anonymous):
right then what
OpenStudy (anonymous):
then you do x-4=0 and x-3=0
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OpenStudy (anonymous):
the answers are x=4 or 3
OpenStudy (anonymous):
you got it right?
OpenStudy (anonymous):
thankssssssss i got it
OpenStudy (anonymous):
alsoo, what are factors of -2 that add up to 3
OpenStudy (anonymous):
what is the equation
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OpenStudy (anonymous):
xsquared + 3x- 2=0
OpenStudy (anonymous):
in this equation you can't do factoring but the quadratic formula
OpenStudy (anonymous):
what are you learning now in school?
OpenStudy (anonymous):
I mean in math class
OpenStudy (anonymous):
im in honors geometry but we're doing a review of algebra 1 to start of the year. thanks for your help but i have to go
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OpenStudy (anonymous):
thanks so much
OpenStudy (anonymous):
k
OpenStudy (anonymous):
ur welcome :3