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LenaWriter [7]
3 years ago
14

Can someone help me with 20

Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0
D is subset of Z, so D∩Z=D. hope it helps.
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Step-by-step explanation:

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vampirchik [111]

Answer:

<h2>x²+7x-2 = 0</h2>

Step-by-step explanation:

The general form of a quadratic equation with roots a and b is expressed as shown;

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The resulting quadratic polynomial is x²+7x-2 = 0

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