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Afina-wow [57]
3 years ago
11

Solve for x. Simplify completely. x^2+4x+4=8

Mathematics
1 answer:
velikii [3]3 years ago
5 0
X^2+4x+4=8
-8                -8
subtract 8 from both sides 

x^2+4x-4=0

now factor using quadratic formula
ax^2+bx+c=0

x= -b +-[ (sqrt (b^2-4ac))/2a ]

x=-2(1+sqrt(2))


x= 2(sqrt(2) -1)

hope that helps, hopefully you know how to plug and chug into quadratic formula. if not you can ask for help


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Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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3 years ago
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asambeis [7]

Answer:

x = 62.3 degrees.

Step-by-step explanation:

We should notice a certain trigonometric function that works here.

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4 0
3 years ago
Refer to the photo :D
OlgaM077 [116]

well, we know the ceiling is 6+2/3 high, and Eduardo has 4+1/2 yards only, how much more does he need, well, is simply their difference, let's firstly convert the mixed fractions to improper fractions and then subtract.

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3 years ago
3. The MPG (Miles per Gallon) for a mid-size car is normally distributed with a mean of 32 and a standard deviation of .8. What
mariarad [96]

Answer:

93.32 %

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from z-score table this corresponds to .9332     this is  93.32 %

8 0
1 year ago
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