Is there a way to simplify an expression such as:

$\lgroup{\int^A_0 r(x)u(x)dx}\rgroup ^2$

More specifically, is there a way to express such term in the form:

${\int^A_0 s(x)u(x)dx}$

or

$f(s( \space A \space )) + {\int^A_0 s(x)u(x)dx} $