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Sergeu [11.5K]
3 years ago
14

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

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0
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
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