Hey I'm struggling in Discrete Math, could anyone help me solve this proof?

Prove that A1, A2, . . . ., An and B are sets, then (A1 ∩ A2 ∩ . . . ∩An) U B = (A1 U B) ∩ (A2 U B) ∩ . . . ∩(An U B).

This comes from the Induction and Recursion chapter of Mathematical Induction.