### Welcome to our community

#### dlecl

##### New member
four variables a,b,c,d
wondering if this can be simplified to something much smaller

#### Cbarker1

##### Active member
four variables a,b,c,d
wondering if this can be simplified to something much smaller
The answer to your question is not really because there is not a common factor in the polynomial.

#### Greg

##### Perseverance
Staff member
Hey, it's not an equation it's an expression!

Here's what an online CAS thinks.

#### Opalg

##### MHB Oldtimer
Staff member
four variables a,b,c,d
You could write it as $\frac12(2a+1)(2b+1)(2c+1)(2d+1) - \frac12$, if that helps.