10*x^2 %2B 20*x %2B 10=0 – InterviewSolution

1.

10x^2 %2B 20x %2B 10=0

Answer»

10x²+20x+10=0sum =20 ; product=100numbers=10 ,10

10x²+10x+10x+10=010x(x+1)+10(x+1)=0(10x+10)(x+1)=0x=-10/10=-1or x=-1

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