Math, asked by tutilicious26, 9 months ago

simplify 5√45-3√20+4√5

Answers

Answered by Shahoodalam

Answer:

$= > 5 \sqrt{45} - 3 \sqrt{20} + 4 \sqrt{5} \\ = > 5 \times 3 \sqrt{5} - 3 \times 2 \sqrt{5} + 4 \sqrt{5} \\ = > 15 \sqrt{5} - 6 \sqrt{5} + 4 \sqrt{5} \\ = > 19 \sqrt{5} - 6 \sqrt{5} \\ = > 13 \sqrt{5}$

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