Add and Subtract Radicals

Simplify 
-3√6 + 3√6

• 0

• √6

• -6√6

• Already simplified 

• 
• 
• 
• 

• 
• 
• 
• 

• 
• 
• 
• 

• 17√2
• 9√1
• 9
• 9√2

• A
• B
• C
• D

Mathematical Equivalence

ON

√5

• 11√5

• 11√10

• 5√5

• 12√10

• A

• B

• C

• D

When adding or subtracting radicals step 2 tells us to: ​ (a)   radicals with the ​ (b)   ​ (c)   and ​ (d)   ​ (e)   . Only these can be combined!

• Identify

• same

• index

• radicand