(3sgrt2+5)^2 mutiply and simplify?

0 ⤊

2007-03-24 22:30:09 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

((3 sqrt(2)) + 5)^2 = 85.4264069

2007-03-24 22:34:00 · answer #1 · answered by Love Answers 2 · 0⤊ 0⤋

= (3√2 + 5).(3√2 + 5)
= 18 + 15√2 + 15√2 + 25
= 43 + 30√2

2007-03-24 22:40:00 · answer #2 · answered by Como 7 · 0⤊ 1⤋

(3sqt2)^2 + 30sqt2 + 25 =

= 18 + 30sqt2 + 25 =
43 + 30sqt2

2007-03-24 22:34:56 · answer #3 · answered by blighmaster 3 · 0⤊ 1⤋

(3sqrt2 + 5)^2
18 +(6sqrt2)(5) + 25
18 + 30sqrt2 + 25 = 85.43

2007-03-25 03:56:50 · answer #4 · answered by kwanchaiteh 2 · 0⤊ 1⤋

its 85.42

2007-03-24 22:34:09 · answer #5 · answered by Rechu 2 · 0⤊ 1⤋