please solve the question
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to find zeros write the eq'n=0.
break the middle term as 20x+10x then take 5root 5x common in first one and 10 in second one.u will got the answer -2/root5 and -4/root5
break the middle term as 20x+10x then take 5root 5x common in first one and 10 in second one.u will got the answer -2/root5 and -4/root5
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