Question

how do you rationalize (x-9)/(rtsqr(x)-3)

Answer 1

only the x is under the root sqr

Answer 2

multiply this by the conjugate of the denominator, sqrt(x)+3/sqrt(x)+3

Answer 3

so the 3 has to be multiplied too?

Answer 4

ya

Answer 5

hmm do you know what the final answer would look like

Answer 6

sorry i just dont want to get the wrong answer

Answer 7

ill work it out hold on a sec

Answer 8

\[\frac{ (x-9)(\sqrt{x}+3) }{ x-9 }\]

Answer 9

alright got it thanks!

Answer 10

still needs to be reduced