How do you simplify $3 \times \sqrt{5} - \sqrt{20}$ $3 times sqrt5 - sqrt20$ ?

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Answer 1 · 2016-06-23T18:15:04

$\sqrt{5}$ $sqrt(5)$

you know that

$\sqrt{20} = \sqrt{4 \times 5} = \sqrt{4} \times \sqrt{5} = 2 \sqrt{5}$ $sqrt(20)=sqrt(4xx5)=sqrt4xxsqrt5=2sqrt(5)$

so

$3 \sqrt{5} - 2 \sqrt{5} = \sqrt{5}$ $3sqrt(5)-2sqrt(5)=sqrt(5)$

How do you simplify 3×√5−√203 times sqrt5 - sqrt20?