Question

How do you simplify `2sqrt99`?

Answer 1

`= color(blue)( 6 sqrt11`

Explanation:

`2 sqrt (99)`

• Simplifying `sqrt(99) = sqrt ( 3 * 3 * 11) = sqrt (3^2 * 11) =color(green)( 3 sqrt ( 11)`

`2 sqrt (99) = 2 * color(green)(( 3 sqrt ( 11))`

`= 6 sqrt11`