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Solve the equation $3x+x+9=0$

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Solution

Videos

Solve and write the linear factorization using the sum of two cubes

https://www.youtube.com/watch?v=tDjS8EV8RoY

Solving quadratic equations by square roots | Algebra II | Khan Academy

https://www.youtube.com/watch?v=55G8037gsKY

Pre-Calculus - Learn how to solve a rational equation and check your solutions

https://www.youtube.com/watch?v=3jHB8D2LSkc

Learn How to Solve a Polynomial Using the Difference of Two Cubes

https://www.youtube.com/watch?v=hRoKqnjBIDM

Solving a quadratic equation when not equal to zero by factoring

https://www.youtube.com/watch?v=tW1GTg_AooE

Solving rational equations 3 | Polynomial and rational functions | Algebra II | Khan Academy

https://www.youtube.com/watch?v=5wUJLMWZ5Fw

Function Plot

Plotting: $3x+x+9$

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1
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4
5
6
7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
◻2
◻◻
√◻
√

◻√◻
◻√
∞
e
π
ln
log
log◻
lim
d/dx
D□x
∫
∫◻
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

How to improve your answer:

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Main Topic: Polynomial Factorization

They are a group of techniques that help us rewrite polynomial expressions as a product of factors.

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