GB-39-02-001 · Combining surds
Simplify .
Surds: Addition & Subtraction
Booklet p. 46
Method
1) Simplify each surd to get the same number under √
2) Add/subtract the coefficients of like surds
Worked Example (GB-39-02-001)
Booklet p. 45–46: Look for the biggest square factor and write the square factor first!
1)
2)
Square Numbers:
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 324