Substitute Command
From GeoGebra Manual
CAS Syntax
- Substitute[ <Expression>, <from>, <to> ]
- Substitutes from in expression with to.
- Example:
Substitute[(x^2 / (4x + 6))^2 + 6(x^2/(4x+6)) + 8, x^2, a*(4x + 6)]yields a2 + 6 a + 8.
- Example:
Substitute[(3 m - 3)^2 - (m + 3)^2, m, a]yields 8 a2 - 24 a.
- Substitute[ <Expression>, <Substitution List> ]
- Substitutes in expression every variable of the list with the variable or number you choose for it.
- Example:
Substitute[2x + 3y - z, {x=a, y=2, z=b}]yields 2a - b + 6.
a² + 6a + 8
