1. (8- 5√5)( 8- 5√5) 2. ( 3√7+ √11)( 3√7- √11) 3. (5 – 2√2)2 4. (3+√5)( 4 – √2)

Question

1. (8- 5√5)( 8- 5√5)
2. ( 3√7+ √11)( 3√7- √11)
3. (5 – 2√2)2
4. (3+√5)( 4 – √2)

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Delwyn 5 years 2021-08-06T02:43:42+00:00 1 Answers 10 views 0

Answers ( )

  1. Nick
    0
    2021-08-06T02:45:28+00:00
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    Answer:

    1. 64- 40√5 – 40√5 +125

    64-80√5 +125

    64+125 -80√5

    189-80√5

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )