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Kisachek [45]
3 years ago
6

Find the discriminant and the number of real roots for this equation 2 + 2x+7= 0

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

Step-by-step explanation:

2+2x+7=0

collecting like terms

2x+9=0

2x=-9

divide both sides by 2

x=-4.5

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Step-by-step explanation:

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Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

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Equation at the end of step  3  :

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Step  4  :

Equations which are never true :  

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3 years ago
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OverLord2011 [107]

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d

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