Question

Simplify.

Answer 1

-6.75

Answer 2

Thanks :D

Answer 3

:)

Answer 4

\[\frac{ 1 }{ 2 }-3\left( \frac{ 1 }{ 2 }+1 \right)^2=\frac{ 1 }{ 2 }-3\left( \frac{ 3 }{ 2 } \right)^2=\frac{ 1 }{ 2 }-\frac{ 27 }{ 4 }\]
\[=\frac{ 2-27 }{ 4 }=-\frac{ 25 }{ 4 }=-6.25\]