Fraction decomposition
[src]
-3/s + (8 + s)/(2 + s^2 + 2*s)
$$\frac{s + 8}{s^{2} + 2 s + 2} - \frac{3}{s}$$
3 8 + s
- - + ------------
s 2
2 + s + 2*s
General simplification
[src]
2
-6 - 2*s + 2*s
----------------
/ 2 \
s*\2 + s + 2*s/
$$\frac{- 2 s^{2} + 2 s - 6}{s \left(s^{2} + 2 s + 2\right)}$$
(-6 - 2*s^2 + 2*s)/(s*(2 + s^2 + 2*s))
4.0 - 4.0*s + (-6.0 + 4.0*s^2)*(1.0 + s + s^2)/(s*(2.0 + s^2 + 2.0*s))
4.0 - 4.0*s + (-6.0 + 4.0*s^2)*(1.0 + s + s^2)/(s*(2.0 + s^2 + 2.0*s))
Rational denominator
[src]
/ 2\ / 2\ / 2 \
\-6 + 4*s /*\1 + s + s / + s*(4 - 4*s)*\2 + s + 2*s/
-----------------------------------------------------
/ 2 \
s*\2 + s + 2*s/
$$\frac{s \left(4 - 4 s\right) \left(s^{2} + 2 s + 2\right) + \left(4 s^{2} - 6\right) \left(s^{2} + s + 1\right)}{s \left(s^{2} + 2 s + 2\right)}$$
((-6 + 4*s^2)*(1 + s + s^2) + s*(4 - 4*s)*(2 + s^2 + 2*s))/(s*(2 + s^2 + 2*s))
/ 2 \ / 2 \
\4*s - 6/*\s + s + 1/
4 - 4*s + -----------------------
/ 2 \
s*\s + 2*s + 2/
$$- 4 s + 4 + \frac{\left(4 s^{2} - 6\right) \left(\left(s^{2} + s\right) + 1\right)}{s \left(\left(s^{2} + 2 s\right) + 2\right)}$$
4 - 4*s + (4*s^2 - 6)*(s^2 + s + 1)/(s*(s^2 + 2*s + 2))
/ 2\ / 2\
\-6 + 4*s /*\1 + s + s /
4 - 4*s + ------------------------
/ 2 \
s*\2 + s + 2*s/
$$- 4 s + 4 + \frac{\left(4 s^{2} - 6\right) \left(s^{2} + s + 1\right)}{s \left(s^{2} + 2 s + 2\right)}$$
4 - 4*s + (-6 + 4*s^2)*(1 + s + s^2)/(s*(2 + s^2 + 2*s))
/ 2\ / 2\
\-6 + 4*s /*\1 + s + s /
4 - 4*s + ------------------------
/ 2 \
s*\2 + s + 2*s/
$$- 4 s + 4 + \frac{\left(4 s^{2} - 6\right) \left(s^{2} + s + 1\right)}{s \left(s^{2} + 2 s + 2\right)}$$
4 - 4*s + (-6 + 4*s^2)*(1 + s + s^2)/(s*(2 + s^2 + 2*s))
Combining rational expressions
[src]
/ / 2\ \
2*\(1 + s*(1 + s))*\-3 + 2*s / + 2*s*(1 - s)*(2 + s*(2 + s))/
-------------------------------------------------------------
s*(2 + s*(2 + s))
$$\frac{2 \left(2 s \left(1 - s\right) \left(s \left(s + 2\right) + 2\right) + \left(2 s^{2} - 3\right) \left(s \left(s + 1\right) + 1\right)\right)}{s \left(s \left(s + 2\right) + 2\right)}$$
2*((1 + s*(1 + s))*(-3 + 2*s^2) + 2*s*(1 - s)*(2 + s*(2 + s)))/(s*(2 + s*(2 + s)))
/ 2 \
-2*\3 + s - s/
----------------
/ 2 \
s*\2 + s + 2*s/
$$- \frac{2 \left(s^{2} - s + 3\right)}{s \left(s^{2} + 2 s + 2\right)}$$
-2*(3 + s^2 - s)/(s*(2 + s^2 + 2*s))
/ 2\
-\6 - 2*s + 2*s /
------------------
3 2
s + 2*s + 2*s
$$- \frac{2 s^{2} - 2 s + 6}{s^{3} + 2 s^{2} + 2 s}$$
-(6 - 2*s + 2*s^2)/(s^3 + 2*s + 2*s^2)
Assemble expression
[src]
/ 2\ / 2\
\-6 + 4*s /*\1 + s + s /
4 - 4*s + ------------------------
/ 2 \
s*\2 + s + 2*s/
$$- 4 s + 4 + \frac{\left(4 s^{2} - 6\right) \left(s^{2} + s + 1\right)}{s \left(s^{2} + 2 s + 2\right)}$$
4 - 4*s + (-6 + 4*s^2)*(1 + s + s^2)/(s*(2 + s^2 + 2*s))