Adding and Subtracting Radical Expressions with Variables

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

• TRUE

• FALSE

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

• TRUE

• FALSE

2√5 + 4√5 =

• 6√10

• 8√10

• 8√5

• 6√5

√5 + √20

• 5

• 25

• 3√5

• 2√3

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

• TRUE

• FALSE

Simplify the expression above.

Mathematical Equivalence

OFF

• 5∛27
• 7∛3
• 15
• 8∛3

Add:  4√7 - 10 √7 + 7√7

• -6√7

• 14√7

• -3√14

• √7

Solve: 3√6 + 3√2 - 5√6 - 2√2

• -2√6 + √2

• -√2

• 6√2 - 7√6

• 2√6 - √2

(3√6)+(4√6)

• 42

• 7√6

• 7√12

• √12