\(\dfrac{7}{18}\).(\(\dfrac{-12}{23}\)-\(\dfrac{4}{15}\))+\(\dfrac{7}{18}\).(\(\dfrac{8}{30}\)+\(\dfrac{35}{23}\))

= \(\dfrac{7}{18}\).[\(\dfrac{-12}{23}\)-\(\dfrac{4}{15}\)+\(\dfrac{8}{30}\)+\(\dfrac{35}{23}\)]

=  \(\dfrac{7}{18}\).[(\(\dfrac{-12}{23}\)+\(\dfrac{35}{23}\))-(\(\dfrac{4}{15}\)+\(\dfrac{4}{15}\))]