Complex sentence: In other words, the n-th Taylor polynomial of F is 0, so F coincides with its n-th remainder R_n (x), which is exactly given in integral form on the LH.
Split into simpler sentences: In other words, the n-th Taylor polynomial of F is 0. So F (x) coincides with its n-th remainder R_n (x), which is exactly given in integral form on the LH.