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17 July, 04:05

Zapisz w jak najprostszej postaci:

a) - x-4 (1-x)

b) 3 (5x-2) - 5 (3-4x)

c) √2 (3-x) - 2 (1-x√2)

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  1. 17 July, 04:26
    0
    Step-by-step explanation:

    a) - x-4 (1-x) =

    - 2 x - 4 (1 - x).

    2 x - 4

    b) 3 (5x-2) - 5 (3-4x) =

    3 ⋅ (5 x - 2) - 5 ⋅ (5 - 4 x)

    35 x - 31

    c) √2 (3-x) - 2 (1-x√2) =

    √ 2 x ⋅ (3 - x) - 2 ⋅ (1 - x √ 2).

    2 x √ 2 + 3 √ 2 x - √ 2 x x - 2
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