root of 2k+1=21
can someone please show me this step how my friend got 121? then 441 i got lost
Next problem: root of 4x-9-2=0
im def going to fail this last chapter this radical root stuff isent my thing at all why do the hard chapters always come in the end?!?!
If someone on here is making a math book pleaseeee make the hard stuff in the beg of the book and easy stuff near the back.