1.

0न0ड+सड़ा+ल | 08 +X6] + X

Answer»

x²+10x+5x+50=0x(x+10)+5(x+10)=0(x+5)(x+10)=0x=-5,-10

•.• -b±√b²-4ac /2aso,(15)²-4(1)(50)=25-15±√25 x= -5,-10



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