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=> 6*6=PA*(PA+AB)
=> 36=x^2+5x
=> x^2+9x-4x-36=0
=> x*(x+9)-4(x+9)=0
=> (x+9)*(x-4)=0
=> x=4
0 0 0
yeah... i read it. i am not getting the idea to do it.
besides i've got an exam tomorrow... so sorry...
ohkkk its OK
Tell me the question maybe i could answer it ?
it's posted see it
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