find the zeros of the quadratic polynomial 25x (x+1) + 4 and verify the relationship between the zeros and coeffcients
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25x(x+1)+4=0
25x2+25x+4=0
25x2+5x+20x+4=0
5x(5x+1)+4x(5x+1)=0
(5x+1)(5x+4)=0
x=-1/5 or x=-4/5
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