1) Two zeroes of cubic polynomial ax^3+bx^2+cx+d are 0 . Find the third zero ?

2) if x/2+y =0.8 and 7/x+y/2 =10, then what is x+y ?

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https://www.meritnation.com/ask-answer/question/given-that-two-of-the-zeroes-of-the-cubic-polynomialax3-bx/polynomials/4709191

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