What is a rule for simplifying expressions?

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Description : Simplifying by combining similar terms: -Maths 9th

Last Answer : Reducing into simplest form

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Last Answer : Reducing into simplest form : √45 = √32 × 5 = 3√5 √20 = √22 × 5 = 2√5 ∴ √45 -3√20 + 4√5 = 3√5 - 3 × 2√5 + 4√5 = 3√5 - 6√5 + 4√5 = √5

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Last Answer : Reducing into simplest form

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