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What are the roots of the polynomial equation x2 + x- 72 =0
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What are the roots of the polynomial equation x2 + x- 72 =0

User Ptrk
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First, you can factor them into (x-8)(x+9)=0 then set x-8=0 and x+9=0, in which you get X = 8 or X = -9
User XMythicx
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