im working on my algebra final and i just cant figure out how to do a few problems ive tried googling to figure out how to do it but that confuses me even more, youtube dont even show me how to do the kind of problem im stuck on. can someone please help me figure these out? change the numbers so your not helping me with the final, i dont care i just need help with solving these kind of problems. Thanks!
simplify each radical expression
r45^5
r75 + r3
r7(r14 +r3)
the r means its a radical sign