Add and subtract radicals

Front

Simplify
3√6 - 4√6

Back

-√6

Front

Simplify
-11√21 - 11√21

Back

-22√21

Front

Simplify
3√8 + 3√2

Back

9√2

Front

Simplify
-3√20 - √5

Back

-7√5

Front

Simplify
3√18 - 2√2

Back

7√2

Front

Simplify
9√2 + 12√3

Back

Already simplified

Front

Simplify
3√5 + √20 - √45

Back

2√5

Front

Simplify

Back

Front

Simplify

Back

Front

√98 + 5√2

Back

12√2