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Citrus2011 [14]
3 years ago
6

How do i fid the x of the equation? x2 + 8x − 9 = 0

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

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Solve using the quadratic formula or factoring ... 5=6x^2 + 13x
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Answer:

x = \frac{-5}{2} <u><em>or  </em></u>x = \frac{-1}{3}

Step-by-step explanation:

5 − 6 2 − 1 3 = 0

− 6 2 − 1 3 + 5 = 0 -6x^2-13x+5=0 −6x2−13x+5=0 − 1

( 6 2 + 1 3 − 5 ) = 0

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3 years ago
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3 years ago
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Set the expressions equal to each other:
y=y \\ x-3=-3 \ \ \ |+3 \\&#10;x=0 \\ \\&#10;(x,y)=(0,-3)

So, for every nonzero number a the system of equations has one solution.
4 0
3 years ago
Before it can be used, an 18-ounce container of liquid fertilizer must be mixed with 36 ounces of water. What fraction of fertil
vekshin1

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1/3

Step-by-step explanation:

18 oz fertilizer to 36 oz water will make 18+36 = 54 oz of liquid

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9/27, simplify by 9

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3 years ago
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