Evaluate
x2 -5x - 2 =![]()
x2 -5x - 2x0 =
You can also define the function f (x) = x2 - 5x - 2 and apply Evaluate (twice) to get the following.
Evaluate, Evaluate
f=
-5
-2 =
The expression
-5 - 2 is not, strictly speaking, a proper expression. However, when
evaluated by in Scientific Notebook, the 2 is interpreted in this
context as
, or twice the 2×2 identity matrix.