Mathematics for IGCSE & O level - Surds (Section 3 - No. 7) | ExamPlay

Mathematics for IGCSE & O level - Surds (Section 3 - No. 7)

Simplify 5 + √5 - 2√5.

5 - √5

3√5

5 + 3√5

5 - 3√5

Explanation

5 + √5 - 2√5 = 5 - √5

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