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postnew [5]
4 years ago
6

2x2−5x=3 Separate the two values with a comma.

Mathematics
1 answer:
nirvana33 [79]4 years ago
4 0
2x^2 -5x -3 = 0

D = 25 +24 = 49

x_1,2 = (5+/- sqrt49)/4 = (5+/-7)/4 = -2/4 = -1/2 and 12/4 = 3 

x_1,2 = -1/2 and 3

hope this will help you 
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If you gave away 280 of 600 business cards and you would like to know what percent of the cards is left, you can calculate this using the following steps:

600 - 280 = 320 cards are left

320 / 600 = 8 / 15 = 0.5333 = 53.33%

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Step-by-step explanation:

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sladkih [1.3K]

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42 sq. Units

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