Math, asked by Dangerousdinosour, 2 months ago

Simplify : √45 – 3√20 + 4√5

Answers

Answered by urmillaaher1983

1

Step-by-step explanation:

√45-3√20+4√5

√3×3×5-3√2×2×5+4√5

3√5- -6√5+4√5

7√5-6√5

√5

=the ans is √5

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