Question

√5+√20+√45 simplify:​

Answer 1

We first simplify √20 and √45terms by prime factorisation:

√20=√22⋅5=2√5

√45=√32⋅5=3√5

The expression can now be written as:

√20−√5+√45=2√5−√5+3√5

=√5+3√5

=4√5

Ⓜ︎Ⓐ︎Ⓡ︎Ⓚ︎ Ⓜ︎Ⓔ︎ Ⓐ︎Ⓢ︎ Ⓑ︎Ⓡ︎Ⓐ︎Ⓘ︎Ⓝ︎Ⓛ︎Ⓘ︎Ⓔ︎Ⓢ︎Ⓣ︎

Answer 2

Answer:

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