(x+1)(x+2)=(x+11)(x-2) sovle the following equation – InterviewSolution

1.	(x+1)(x+2)=(x+11)(x-2) sovle the following equation
Answer» GIVEN, X+x1=11.We know, (a+b)2=a2+b2+2ab.Then, x+x1=11.On SQUARING both SIDES, we GET,(x+x1)2=112x2+(x1)2+2(x)(x1)=121x2+(x1)2+2=121x2+x21=121−2=119.

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