### Related

##### abs-define-plot2d-realroots

abs(-5);

define (h(x), abs(2*x...

h(3);

Calculate

##### abs-define-plot2d-realroots

define(f(x),abs(2*x^5...

plot2d(f(x),[x,-10,10]);

realroots(f(x)=5);

Calculate

##### abs-define-plot2d-realroots

define(f(x),3*x^4+9*x...

f(2);

r:realroots(f(x)=0);

Calculate

##### abs-define-plot2d-realroots

define (h(x), abs(2*x...

h(0);

plot2d (h(x), [x, -5,...

Calculate

##### abs-define-plot2d-realroots

define(h(x), abs(2*x^...

h(0);

plot2d(h(x), [x, -5, ...

Calculate

##### abs-define-plot2d-realroots

define(h(x), abs(2*x^...

h(3);

plot2d(h(x), [x, -5, ...

Calculate

##### abs-define-plot2d-realroots

define(h(x), abs(2*x^...

plot2d(h(x), [x,-5,5 ]);

realroots(h(x)=40);

Calculate

##### abs-define-plot2d-realroots

define(f(x), abs(2*x^...

plot2d(f(x), [x,-10,1...

realroots(f(x)=5);

Calculate

##### abs-define-plot2d-realroots

define(h(x),abs(2*x^5...

h(0);

plot2d(h(x),[x,-5,5],...

Calculate

##### abs-define-plot2d-realroots

define (h(x), abs(2*x...

h(0);

plot2d (h(x), [x, -5,...

Calculate

### [abs,define,plot2d,realroots]

Run Example
```(%i1)define(h(x), abs(2*x^5 -5*x^4 -3*x^3 -8*x^2 +5*x + 20));
!   5      4      3      2           !
(%o1)           h(x) := !2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20!
(%i2) plot2d(h(x), [x,-5,5 ]);
plotrealroots(h(x)=40);
!   5      4      3      2           !
(%o3)            [!2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20! = 40]
(%i4) ```
Run Example
```define (h(x), abs(2*x^5-5*x^4-3*x^3-8*x^2+5*x+20));
!   5      4      3      2           !
(%o1)           h(x) := !2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20!
(%i2) h(0);
(%o2)                                 20
(%i3) plot2d (h(x), [x, -5, 5]);
plotrealroots (h(x)=40);
!   5      4      3      2           !
(%o4)            [!2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20! = 40]
(%i5) ```
Run Example
```define(h(x), abs(2*x^5 - 5*x^4 - 3*x^3 - 8*x^2 + 5*x +20));
!   5      4      3      2           !
(%o1)           h(x) := !2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20!
(%i2) h(3);
(%o2)                                 37
(%i3) plot2d(h(x), [x, -5, 5]);
plotrealroots(h(x)=40);
!   5      4      3      2           !
(%o4)            [!2 x  - 5 x  - 3 x  - 8 x  + 5 x + 20! = 40]
(%i5) ```

### Related Help

Help for Abs

Help for Define

Help for Plot2d

Help for Realroots