SadNotebooks4十 – InterviewSolution

1.	SadNotebooks4十
Answer» 1/x+4 -1/x-7 =11/30x-7-x-4/x^2-3x-28= 11/30-11/x^2-3x-28= 11/30x^2-3x-28= -30x^2-3x+2=0x^2-2x-x-2=0x(x-2)-1(x-2)=0(x-2)(x-1)=0x-2=0, x=2x-1=0, x=1

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