zad.1Wykonaj mnozenia: h)(x kwadratowe + 3y szescienne ) * (-1,2)
zad.2 Zamien iloczyny na sumy a)- 4 (a+2b - 4c - 1/2d + 1/8m) b)-2/5(10x - 20y + 0,5 z -35 )
zad.3 Wykonaj mnozenia a)-4(3y - 4x) b)4 (a/2 + b/2 ) c) 2 (a kwadratowe + 3 b -4x - 12) d) - 1/3 (6x szescienne - 12 x kwadratowe - 3x)
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1. h) (x² + 3y³)(-1,2) = -1,2x² - 3,6y³
2. a) -4(a + 2b - 4c - ½d + ¹/₈m) = -4a - 8b + 16c + 2d - ½m
b) -0,4(10x - 20y + 0,5z - 35) = -4x + 8y - 0,2z + 14
3. a) -4(3y - 4x) = -12y + 16x
b) 4(a/2 + b/2) = 2a + 2b
c) 2(a² + 3b - 4x - 12) = 2a² + 6b - 8x - 24
d) -⅓(6x³ - 12x² - 3x) = -2x³ + 4x² + x