How do you simplify 3sqrt5+6sqrt5?
2 Answers
Mar 30, 2017
Explanation:
When adding or subracting, the radicals have to be the same.
3sqrt5 +6sqrt5
Since
(3+6)sqrt5
9sqrt5
9sqrt5
Mar 30, 2017
Explanation:
We can add/subtract radicals in the same way we add/subtract like algebraic terms.
"That is "color(red)(3)x+color(red)(6)x=(color(red)(3+6))x=9x
rArrcolor(red)(3)sqrt5+color(red)(6)sqrt5=(color(red)(3+6))sqrt5=9sqrt5