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OpenStudy (anonymous):
l2x+7l=l6x-5l
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OpenStudy (anonymous):
do you want it graphed or what?
OpenStudy (anonymous):
just solved
OpenStudy (amorfide):
you could square both sides and then you will have a quadratic
OpenStudy (anonymous):
k
OpenStudy (anonymous):
x = 12/(L)(L^4 -1)
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OpenStudy (amorfide):
l2x+7l=l6x-5l (2x+7)²=(6x-5)² 4x²+28x+49=36x²-60x+25 move them onto one side 0=32x²-88x-24 substitute into the formula |dw:1349722095573:dw|
OpenStudy (anonymous):
how about finding it in an absolute value equation?
OpenStudy (amorfide):
this is how you do it lol or you can do the graphical method...
OpenStudy (anonymous):
are you sure? lol
OpenStudy (amorfide):
graphical method |dw:1349722843048:dw|
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