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shtirl [24]
3 years ago
9

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)

Mathematics
1 answer:
Sonja [21]3 years ago
4 0

Answer:

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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