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Simplify the expression $\frac{2x^2-4}{x+5}$

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Solution

Videos

Tutorial - Multiplying rational expressions ex 26, (x^2+3x-4)/((x^2+4x+4) × (2x^2+4x)/(x^2-4x+3)

https://www.youtube.com/watch?v=9hVK2MT8LYM

Using long division to divide polynomials - Math tutorial

https://www.youtube.com/watch?v=Ew1eMrKMVeA

Example 4: Adding and subtracting polynomials | Algebra I | Khan Academy

https://www.youtube.com/watch?v=DMyhUb1pZT0

Dividing polynomials by linear expressions | Algebra 2 | Khan Academy

https://www.youtube.com/watch?v=G2VBRwXq1q4

Example 5: Adding polynomials with two variables | Algebra I | Khan Academy

https://www.youtube.com/watch?v=jroamh6SIo0

Algebra 2 - Simplify by dividing two rational expressions using factoring (32/n‐8)/(1/n‐8)

https://www.youtube.com/watch?v=wFy0p8Jo6pQ

Function Plot

Plotting: $\frac{2\left(x^2-2\right)}{x+5}$

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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 long division

In algebra, polynomial long division is an algorithm for dividing a polynomial by another polynomial of the same or lower degree, a generalised version of the familiar arithmetic technique called long division.

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