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slega [8]
3 years ago
10

X squared +20 equals 2X

Mathematics
1 answer:
Ivahew [28]3 years ago
5 0

x={1+i√19 , 1-i√19}

solve this by using quadratic formula

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I<br> f the cost of 10 pens is rs 300,how much more is the cost of 2 dozens.
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