√75+√12 = what must i choose (2√3) (6√3) (10√3) (7√3) or (5√3)?

Question

0

785

1

Guest Sep 25, 2014

+33653

+5

Best Answer

√75 = √(25*3) = √5²*√3 = 5√3

√12 = √4*3 = √2²*√3 = 2√3

Therefore √75 + √12 = 5√3 + 2√3 = 7√3

Alan Sep 25, 2014

Alan · Answer 1 · 2014-09-25T10:03:59

√75 = √(25*3) = √5²*√3 = 5√3

√12 = √4*3 = √2²*√3 = 2√3

Therefore √75 + √12 = 5√3 + 2√3 = 7√3