Adding and Subtraction of Radical Expressions

To add and subtract radicals, add and subtract like radicals or similar radicals.

• TRUE

• FALSE

Adding and subtracting radical expressions is very much similar to adding and subtracting similar terms of polynomials.

• TRUE

• FALSE

2√5 + 4√5 =

• 6√10

• 8√10

• 8√5

• 6√5

√5 + √20

• 5

• 25

• 3√5

• 2√3

We can add or subtract radical expressions with the same index and radicand.

• True

• False

Add:  4√7 - 10 √7 + 7√7

• -6√7

• 14√7

• -3√14

• √7

Adding and subtracting radical expressions is very much similar to adding and subtracting similar terms of polynomials.

• TRUE

• FALSE

• 5∛27
• 7∛3
• 15
• 8∛3

√300 + √75

• 15√3

• √375

• 20√5

• 16√5

Simplify:
√12 + √192

• 8√3

• 2√3

• 10√3

• Cannot be added