Question

3sqrt{32} - 4sqrt{63}

Answer 1

32=2^5 so sqrt{32} = 2^(5/2)

63=9*7= 7*3^2 so sqrt{63} = 3*sqrt{7}

Answer 2

wait...what?

Answer 3

32=2^5?

Answer 4

\[2^{5}=32\]

Answer 5

okay, but i'm trying to get the square roots to be the same so I can subtract the terms.

Answer 6

I think.

Answer 7

3*sqrt{32} = 3*2^(5/2) =12sqrt{2}
4*sqrt{63} = 12sqrt{7}

Answer 8

okay
thank you...

Answer 9

u r welcome.