I need help on this one Thank you?

0 ⤊

I need help on this one Thank you?

(Radical sign)7(2rad sign3+3rad sign 7)

2007-08-04 11:57:13 · 2 answers · asked by vadataborn 2 in Science & Mathematics ➔ Mathematics

2 answers

radical sign is also square root or sqrt for short.
if your question is:
sqrt 7 times (2sqrt7 + 3sqrt 7) then the answer would be to distribute the sqrt 7 to get:

2(sqrt7)(sqrt3) + 3(sqrt7)(sqrt7)=
2(sqrt21) + 3*7=
2 (sqrt21)+21=
(sqrt21)(2+(sqrt21))

2007-08-04 12:09:15 · answer #1 · answered by 037 G 6 · 0⤊ 0⤋

2Sqrt(7)Sqrt(3) + 21.

2007-08-04 19:00:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋