How do you simplify $6 \sqrt{5 y} - \sqrt{20 y}$ $6sqrt(5y) - sqrt(20y)$ ?

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Answer 1 · 2016-09-02T20:40:06

$6 \sqrt{5 y} - \sqrt{20 y} = 4 \sqrt{5 y}$ $6sqrt(5y)-sqrt(20y)=4sqrt(5y)$

$6 \sqrt{5 y} - \sqrt{20 y}$ $6sqrt(5y)-sqrt(20y)$

= $6 \sqrt{5 y} - \sqrt{2 \times 2 \times 5 \times y}$ $6sqrt(5y)-sqrt(2×2×5×y)$

= $6 \sqrt{5 y} - 2 \sqrt{5 y}$ $6sqrt(5y)-2sqrt(5y)$

= $4 \sqrt{5 y}$ $4sqrt(5y)$

How do you simplify 6√5y−√20y6sqrt(5y) - sqrt(20y)?