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nikdorinn [45]
3 years ago
5

Please help fast ^^

Mathematics
1 answer:
allsm [11]3 years ago
7 0
The discriminante :
b^2-4ac

1^2 - 4 * -2 * -28 = 1 - 224 = -223

When the discriminant (b^2-4ac) is less than 0, the equation had no real solutions.

-223<0, so, 2x^2+x-28 = 0 has no real solutions.


Hope that helps :)
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