anonymous
  • anonymous
equation that I need help with is 8 over 3 plus sqrt 7
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
dumbcow
  • dumbcow
\[\frac{8}{3+\sqrt{7}}\]
dumbcow
  • dumbcow
is that it
dumbcow
  • dumbcow
well if it is multiply top and bottom by conjugate \[\frac{8}{3+\sqrt{7}}*\frac{3-\sqrt{7}}{3-\sqrt{7}}\] \[=\frac{24-8\sqrt{7}}{2}\] factor out a 2 on top which cancels the 2 on bottom leaving \[= 12-4\sqrt{7}\]

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
wonderful! how did you come up with the 8, though? is it that you must include the same number you multiply with in the top equation?
anonymous
  • anonymous
and how in the heck did you get 2?
anonymous
  • anonymous
oh, never mind. thank you!
dumbcow
  • dumbcow
by distributing on top, FOIL on bottom your welcome :)
anonymous
  • anonymous
quick question- for these types of problems, will the denominator always be 2?

Looking for something else?

Not the answer you are looking for? Search for more explanations.