Question
Simplify the algebraic expression
\dfrac{a^2}{a-1} -a-1
Answer
\dfrac{a^2}{a-1} -a-1
\dfrac{a^2-(a+1)(a-1)}{a-1}
=\dfrac{a^2-a^2+1}{a-1}
=\dfrac{1}{a-1}
Simplify the algebraic expression
\dfrac{a^2}{a-1} -a-1
\dfrac{a^2}{a-1} -a-1
\dfrac{a^2-(a+1)(a-1)}{a-1}
=\dfrac{a^2-a^2+1}{a-1}
=\dfrac{1}{a-1}