\(\dfrac{1}{2} -3( \dfrac{1}{2}+1)^2\)
\(\dfrac{1}{2}-3( \dfrac{3}{2})^2\)
\(Use \ Distributive \ Property \ (Division) : \dfrac{x}{y}^a= \dfrac{x^a}{y^a}\)
\(\dfrac{1}{2}-3* \dfrac{3^2}{2^2}\)
\(\dfrac{1}{2}-3* \dfrac{9}{4}\)
\(\dfrac{1}{2}- \dfrac{27}{4}\)
\(= - \dfrac{25}{4}\)
\(Decimal \ Form: -6.25\)
