Simply the Radical Expression 12\sqrt[4]{7}-6\sqrt[4]{7}

#### Question

#### Answer

12\sqrt[4]{7} and 6\sqrt[4]{7} are like radicals with the same root index 4 and the same radicand 7.

So we subtract their coefficients to combine the like terms.

12\sqrt[4]{7}-6\sqrt[4]{7} = 6 \sqrt[4]{7}