意見が分かれるというときに、divideを使えばいちいちopinion等の語を使わなくても一語で表現できます。They are divided. でOKです。
最近のニュースから
1. Hankyu Holdings plan to purchase Hanshin shares held by an investment fund headed by bureaucrat-turned-financier Yoshiaki Murakami through a public tender offer. However, sources have said the two sides are divided on the purchase price.
2. UNSC looks divided as stakes(関心、利害関係) rise on Iran.
The U.N. Security Council appears headed for a replay of its divisive debate over Iran's nuclear ambitions, with the United States, Britain and France at odds with China and Russia.