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Tcecarenko [31]
3 years ago
11

x^2+5x+4=0 how do I factor this because Im trying to solve quadratic equations by factoring and i dont understand it

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

Answer:

(x + 4)(x + 1)

Step-by-step explanation:

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2 years ago
Which two points satisfy y=-x2(^)+2x+4 and x+y=4?
Wewaii [24]
Use subtitution method to solve the problem.

First, change y to the value of x in order to find the exact value of x.
x + y = 4
y = 4 - x

Second, subtitute y with 4 - x from the first equation
y = -x² + 2x + 4
4 - x = -x² + 2x + 4
move all terms to the left side
x² - 2x - x + 4 - 4 = 0
x² - 3x = 0
x(x - 3) = 0
x = 0 or x = 3

Third, now we have 2 values of x. Find the value of y for each of x
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y = 4 - x
y = 4 - 0
y = 4

For x = 3
y = 4 - x
y = 4 - 3
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The solution is (0,4) and (3,1). The answer is option b
5 0
3 years ago
London has 3 meters of wood that he is using to make a small fence around his garden. If his fence has 5 sections, how wide is e
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total length of wood = 3m

number of sections = 5

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= 60cm

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Step-by-step explanation:

Im confused

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