Question

find the sum of 2√20 and 3√5​

Answer 1

Answer:

Step-by-step explanation:

2√20 + 3√5​

= 2√5x4 + 3√5​

= 2 √4 ×√5 + 3√5​

= 2×2√5 + 3√5​

= 4√5 + 3√5​

=4 +3 (√5​)

= 7√5​

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