Part 03 - Simplifying surds by subtraction | Maths Made Easy

Surds GCSE Maths Revision

Part 03 – Simplifying surds by subtraction

Example:

Simplify 5√13-3√13-7√13-4√13

Worked Solution:

Use the formulae m×√a≡m√a and m√a±n√a≡(m±n) √a

5√13-3√13-7√13-4√13=(5-3-7-4) √13=-9×√13=-9√13


Your turn:

Simplify -2√26-√26-12√26-2√26

Select your answer here:
(ab)

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