Question

(7-square root 7)(2+square root 7) Multiply

Answer 1

\[(7 - \sqrt{7}) * (2 + \sqrt{7}) \] is this your question ?

Answer 2

yes

Answer 3

You know foiling?

Answer 4

yes @helpme1.2 that's my question ^

Answer 5

then you just need to foil it

Answer 6

http://www.freemathhelp.com/using-foil.html

Answer 7

could you give me the answer so i can check mine

Answer 8

tell me what i answer you got, so i can check it for you

Answer 9

oh ok thx, i used foil and it worked

Answer 10

i got 7+5root seven

Answer 11

Is that what you got @helpme1.2