Evaluate = (√5+2√6) + (√8-√2√15)

asked Aug 26, 2021 92.5k views

2 votes

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4 votes

Answer:

$√(5)+2√(6) + 2√(2) - √(30) \approx 4.5$

Explanation:

$(√(5)+2√(6) ) + (√(8) - √(2) \cdot √(15) )$

(√(5)+2√(6) ) + (√(8) - √(30) )

(√(5)+2√(6) ) + (2√(2) - √(30) )

$√(5)+2√(6) + 2√(2) - √(30) \approx 4.5$

Tchotchke answered Aug 27, 2021

5.1k points

6 votes

Answer: 2√2 + 3√8 = 2√2 + 6√2 = 8√2 , because we simplified √8 = √(4 * 2)

DraughtGlobe answered Sep 1, 2021

4.3k points

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