J Jessi New member Mar 30, 2010 #1 Now I'm just a bit confused as to how to add and subtract radical expressions that are being multiplied by different square roots. For example, how would you do: 4sqrt2+6sqrt18 or 5sqrt48-4sqrt75 Please help, this is important! Thank you in advance.
Now I'm just a bit confused as to how to add and subtract radical expressions that are being multiplied by different square roots. For example, how would you do: 4sqrt2+6sqrt18 or 5sqrt48-4sqrt75 Please help, this is important! Thank you in advance.