General simplification
[src]
/ 4\
-\75 + x /
---------------------
/ 4 2\
4*x*\75 + x - 20*x /
$$- \frac{x^{4} + 75}{4 x \left(x^{4} - 20 x^{2} + 75\right)}$$
-(75 + x^4)/(4*x*(75 + x^4 - 20*x^2))
Fraction decomposition
[src]
-1/(4*x) + x/(2*(-5 + x^2)) - x/(2*(-15 + x^2))
$$\frac{x}{2 \left(x^{2} - 5\right)} - \frac{x}{2 \left(x^{2} - 15\right)} - \frac{1}{4 x}$$
1 x x
- --- + ----------- - ------------
4*x / 2\ / 2\
2*\-5 + x / 2*\-15 + x /
(x^3 - 15.0*x)*(-2.0*x/(x^3 - 15.0*x) + 0.00444444444444444*(5.0 - x^2)*(15.0 - 3.0*x^2)/(-x + 0.0666666666666667*x^3)^2)/(20.0 - 4.0*x^2)
(x^3 - 15.0*x)*(-2.0*x/(x^3 - 15.0*x) + 0.00444444444444444*(5.0 - x^2)*(15.0 - 3.0*x^2)/(-x + 0.0666666666666667*x^3)^2)/(20.0 - 4.0*x^2)
Rational denominator
[src]
2
/ 3 \ / 2\ / 2\ / 3 \
- 2*x*\x - 15*x/ + \5 - x /*\15 - 3*x /*\x - 15*x/
-----------------------------------------------------
2
/ 2\ / 3 \
\20 - 4*x /*\x - 15*x/
$$\frac{- 2 x \left(x^{3} - 15 x\right)^{2} + \left(5 - x^{2}\right) \left(15 - 3 x^{2}\right) \left(x^{3} - 15 x\right)}{\left(20 - 4 x^{2}\right) \left(x^{3} - 15 x\right)^{2}}$$
(-2*x*(x^3 - 15*x)^2 + (5 - x^2)*(15 - 3*x^2)*(x^3 - 15*x))/((20 - 4*x^2)*(x^3 - 15*x)^2)
Assemble expression
[src]
/ / 2\ / 2\\
/ 3 \ | 2*x \5 - x /*\15 - 3*x /|
\x - 15*x/*|- --------- + --------------------|
| 3 2 |
| x - 15*x / 3 \ |
\ \x - 15*x/ /
------------------------------------------------
2
20 - 4*x
$$\frac{\left(x^{3} - 15 x\right) \left(- \frac{2 x}{x^{3} - 15 x} + \frac{\left(5 - x^{2}\right) \left(15 - 3 x^{2}\right)}{\left(x^{3} - 15 x\right)^{2}}\right)}{20 - 4 x^{2}}$$
(x^3 - 15*x)*(-2*x/(x^3 - 15*x) + (5 - x^2)*(15 - 3*x^2)/(x^3 - 15*x)^2)/(20 - 4*x^2)
Combining rational expressions
[src]
2
/ 2\ 2 / 2\
3*\5 - x / - 2*x *\-15 + x /
-----------------------------
/ 2\ / 2\
x*\-15 + x /*\20 - 4*x /
$$\frac{- 2 x^{2} \left(x^{2} - 15\right) + 3 \left(5 - x^{2}\right)^{2}}{x \left(20 - 4 x^{2}\right) \left(x^{2} - 15\right)}$$
(3*(5 - x^2)^2 - 2*x^2*(-15 + x^2))/(x*(-15 + x^2)*(20 - 4*x^2))
/ 4\
-\75 + x /
------------------------
/ 2\ / 2\
4*x*\-15 + x /*\-5 + x /
$$- \frac{x^{4} + 75}{4 x \left(x^{2} - 15\right) \left(x^{2} - 5\right)}$$
-(75 + x^4)/(4*x*(-15 + x^2)*(-5 + x^2))
/ / 2\ / 2\\
/ 3 \ | 2*x \5 - x /*\15 - 3*x /|
\x - 15*x/*|- --------- + --------------------|
| 3 2 |
| x - 15*x / 3 \ |
\ \x - 15*x/ /
------------------------------------------------
2
20 - 4*x
$$\frac{\left(x^{3} - 15 x\right) \left(- \frac{2 x}{x^{3} - 15 x} + \frac{\left(5 - x^{2}\right) \left(15 - 3 x^{2}\right)}{\left(x^{3} - 15 x\right)^{2}}\right)}{20 - 4 x^{2}}$$
(x^3 - 15*x)*(-2*x/(x^3 - 15*x) + (5 - x^2)*(15 - 3*x^2)/(x^3 - 15*x)^2)/(20 - 4*x^2)
/ / 2\ / 2\\
/ 3 \ | 2*x \5 - x /*\15 - 3*x /|
\x - 15*x/*|- --------- + --------------------|
| 3 2 |
| x - 15*x / 3 \ |
\ \x - 15*x/ /
------------------------------------------------
2
20 - 4*x
$$\frac{\left(x^{3} - 15 x\right) \left(- \frac{2 x}{x^{3} - 15 x} + \frac{\left(5 - x^{2}\right) \left(15 - 3 x^{2}\right)}{\left(x^{3} - 15 x\right)^{2}}\right)}{20 - 4 x^{2}}$$
(x^3 - 15*x)*(-2*x/(x^3 - 15*x) + (5 - x^2)*(15 - 3*x^2)/(x^3 - 15*x)^2)/(20 - 4*x^2)
/ 4\
-\75 + x /
----------------------
3 5
- 80*x + 4*x + 300*x
$$- \frac{x^{4} + 75}{4 x^{5} - 80 x^{3} + 300 x}$$
-(75 + x^4)/(-80*x^3 + 4*x^5 + 300*x)