=Tolong y Kak.... Question from @DavinEdberts

May 2019 2 8 Report

$(3\sqrt{5} - \sqrt{10} ) {}^{2}$ =
Tolong y Kak

Verified answer

(3√5 - √10)²
= (3√5 - √10) (3√5 - √10)
= 9√25 - 3√50 - 3√50 + √100
= 9(5) - 6√50 + 10
= 45 - 6√25√2 + 10
= 45 - 6(5)√2 + 10
= 45 - 30√2 + 10
= 55 - 30√2
= 5 (11 - 6√2)

0 votes Thanks 1

isnani18 Baris keberapa?

DavinEdberts yg ke 3

isnani18 3√5 x (-√10) = - 3√50

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isnani18 Iya aku perempuan

DavinEdberts oo k

isnani18 Ok

Original03 (3√5 - √10)²
3²√5² - √10²
9√25 - √100
9.5 - √25.4
45 - 5√4
40√4

semoga benar

1 votes Thanks 1

DavinEdberts Yg Sebelum kakak yg benar

Original03 oh ya udh

Original03 aku juga kesusahan ngerjainnya

DavinEdberts wkwkw

DavinEdberts kk thx y

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