# Step-by-step Solution

## Simplify the expression $\frac{x^3+x-1}{x^4+6x^2+9}$

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$\frac{x^3+x-1}{\left(x^{2}+3\right)^{2}}$

## Step-by-step Solution

Problem to solve:

$\frac{x^3+x-1}{x^4+6x^2+9}$

Choose the solving method

1

The trinomial $x^4+6x^2+9$ is a perfect square trinomial, because it's discriminant is equal to zero

$\Delta=b^2-4ac=6^2-4\left(1\right)\left(9\right) = 0$

Learn how to solve polynomial long division problems step by step online.

$\Delta=b^2-4ac=6^2-4\left(1\right)\left(9\right) = 0$

Learn how to solve polynomial long division problems step by step online. Simplify the expression (x^3+x-1)/(x^4+6x^2+9). The trinomial x^4+6x^2+9 is a perfect square trinomial, because it's discriminant is equal to zero. Using the perfect square trinomial formula. Factoring the perfect square trinomial.

$\frac{x^3+x-1}{\left(x^{2}+3\right)^{2}}$
SnapXam A2

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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
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

$\frac{x^3+x-1}{x^4+6x^2+9}$