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

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Final answer to the problem

$-x-5+\frac{20}{5-x}$
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Step-by-step Solution

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1

Divide $x^2-5$ by $5-x$

$\begin{array}{l}\phantom{-x\phantom{;}+5;}{-x\phantom{;}-5\phantom{;}\phantom{;}}\\-x\phantom{;}+5\overline{\smash{)}\phantom{;}x^{2}\phantom{-;x^n}-5\phantom{;}\phantom{;}}\\\phantom{-x\phantom{;}+5;}\underline{-x^{2}+5x\phantom{;}\phantom{-;x^n}}\\\phantom{-x^{2}+5x\phantom{;};}\phantom{;}5x\phantom{;}-5\phantom{;}\phantom{;}\\\phantom{-x\phantom{;}+5-;x^n;}\underline{-5x\phantom{;}+25\phantom{;}\phantom{;}}\\\phantom{;-5x\phantom{;}+25\phantom{;}\phantom{;}-;x^n;}\phantom{;}20\phantom{;}\phantom{;}\\\end{array}$
2

Resulting polynomial

$-x-5+\frac{20}{5-x}$

Final answer to the problem

$-x-5+\frac{20}{5-x}$

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Function Plot

Plotting: $-x-5+\frac{20}{5-x}$

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1
2
3
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
Dx
|◻|
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:

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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