anonymous
  • anonymous
Radicals help!
Mathematics
katieb
  • katieb
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katieb
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.

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anonymous
  • anonymous
What can I help you with?
anonymous
  • anonymous
(7+√2)(8-3√2)
Arhin
  • Arhin
54+root2

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anonymous
  • anonymous
^incorrect.
anonymous
  • anonymous
I'm not necessarily looking for an answer, more of an explanation so I can understand the problem. Thank Arhin, anyway..
anonymous
  • anonymous
Thanks*
anonymous
  • anonymous
FOIL First Outer Inner Last \(\huge (a+b)(c+d) = ac+ad+bc+bd\)
Arhin
  • Arhin
sorry typing mistake
anonymous
  • anonymous
\[(7+√2)(8-3√2) = 54-21\sqrt{2}+ 8\sqrt{2} -(2)(3)=54-13\sqrt{2}-6 = 48-13\sqrt{2}\]Ok so what you do is you expand.
Arhin
  • Arhin
@elisichi is rather50 −13√2
anonymous
  • anonymous
^whoops. my bad. 7 *8= 56. Youre right
anonymous
  • anonymous
I think I understand now. Thank- you!
anonymous
  • anonymous
No problem!
Arhin
  • Arhin
@elisichi well done

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