3 years ago

What is the answer fore this problem 4(3-u)

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

12-4u because of the distributive property :)

bixtya [17]3 years ago

6 0

Answer:

12-4u

Step-by-step explanation:

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Complex root of x^2+3x+9=0

Luden [163]

$\text{Quadratic formula}$

$ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a};\ x_2=\dfrac{-b+\sqrt\Delta}{2a}$

-----------------------------------------------------------------------

$x^2+3x+9=0\\\\a=1;\ b=3;\ c=9\\\\\Delta=3^2-4(1)(9)=9-36=-27\\\\\sqrt\Delta=\sqrt{-27}=\sqrt{(27)(-1)}=\sqrt{27}\cdot\sqrt{-1}=\sqrt{9\cdot3}i=\sqrt9\cdot\sqrt3i=3\sqrt3i$

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Steven recently won $1 in the scratch-n-play lotto. His banker,

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Step-by-step explanation:

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Answer:

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its a very simple question

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