Expand
Expand[ expr ]
Expand[ expr ] expands all brackets in the expression expr. You commonly use it to instruct students to expand brackets in an expression, such as when calculating quadratic identities.
| Example | in | reduced |
|---|---|---|
The brackets of (x+2)(x+3) expanded. |
Expand[ (x+2)(x+3) ] |
x^2 + 5x + 6 |
Options
Mode
Mode only expands the brackets in an expression once instead of expanding as much as possible.
| Syntax | Example |
|---|---|
Expand[expr, Mode=>'Once'] |
Expand[ (x+2)(x+3)(x+4) , Mode=>'Once' ] |