Qurak

Rearrange the terms of a polynomial

How-to 9 steps, run in order in one session. Every step was executed against the engine and the output below is what it produced.

Step 1
p = x ^ 2 E ^ (2x) + 2x E ^ (2x) + x E ^ x
Output
E^x*x + 2*E^(2*x)*x + E^(2*x)*x^2
Step 2
Collect[p, x]
Output
E^x + 2*E^(2*x) + E^(2*x)*x
Step 3
Collect[p, E ^ _]
Output
Collect[E^x*x + 2*E^(2*x)*x + E^(2*x)*x^2, E^(_)]
Step 4
Collect[p, E ^ _, Simplify]
Output
Collect[E^x*x + 2*E^(2*x)*x + E^(2*x)*x^2, E^(_), Simplify]
Step 5
poly = x ^ 2 - 3x + 2
Output
2 - 3*x + x^2
Step 6
Coefficient[poly, x, 0]
Output
2
Step 7
poly /. x -> 0
Output
2
Step 8
MonomialList[poly, x]
Output
{x^2, -3*x, 2}
Step 9
poly//TraditionalForm
Output
TraditionalForm[2 - 3*x + x^2]

Functions used

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