Combine: 3√48 - 12√75 + 4√12?

4 ⤊

Combine: 3√48 - 12√75 + 4√12

2007-10-04 20:24:02 · 3 answers · asked by sara 1 in Science & Mathematics ➔ Mathematics

3√(4*4*3) - 12√(25*3) + 4√(4*3)
3(2)(2)√3 - 12(5)√3 + 4(2)√3
12√3 - 60√3 + 8√3
-40√3

2007-10-04 20:30:21 · answer #1 · answered by Runa 7 · 0⤊ 1⤋

3 â(16 x 3) - 12â(3 x 25) + 4 â(4 x 3)
12â3 - 60â3 + 8â3
- 40â3

2007-10-05 03:41:01 · answer #2 · answered by Como 7 · 4⤊ 1⤋

4.2

2007-10-04 20:27:19 · answer #3 · answered by Anonymous · 0⤊ 1⤋