Zad.3 Usuń nawiasy i wykonaj redukcję wyrazów podobnych.
h) -3 (5x - 4) + 8 (-3x + 2)
j) -5 (3y - 7) - 2 (6+4y) + 3y
Zad 6 Uprość wrażenie
a) 6(a+2b) - 3 (2a - 3b)
b) 4 (b+3) +3(a-b)
c) 7 (b+c) - 3 (b+2c)
d) 5 (a+3) +2b - 3 (a+b)
e) 6 (3+z) - 4 (2z+4)+ 2 (8+z)
f) -4 (sx - 7 - 3y) - 12 (-y - x)
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h) =-15x+12-24x+16 = -39x+28
j) = -15y+35-12-8y+3y = -20y+23
nastepne
a) 6a+12b-6a+9b = 21b
b) 4b+12+3a-3b = 1b+15a
c) 7b+7c-3b-6c = 4d+1c
d) 5a+15+2b-3a-3b =2a-1b+15
e) 18+6z-8z-16+16+2z = 18
f) -4sx+28+12y+12y+12x = -4sx+24y+12x+28