romioney romioney

03-09-2020
Mathematics

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what is the simplest form of 8√5 + √250 - √720? i’ve been crying over this for an hour pls help

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ChoiSungHyun ChoiSungHyun

03-09-2020

Step-by-step explanation:

8√5 + √250 - √720

= 8√5 + (√2)(√5)(√25) - (√5)(√144)

= 8√5 + 5(√2)(√5) - 12√5

= √5 (8 + 5√2 - 12)

= √5 (5√2 - 4)

= √10 (5 - √2).

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