October 2018 1 12 Report

zad1

a)4ab-7cb

b)m²-m

c)x-4x²

d)x²y+xy

e)-30xy-2x

f)-2ax+6ay

g)ax-bx

h)3b²-3b

i)5x²+x

j)6x²y-2xy²

k)8x³+2x²-4x

zad2

a)x(2a-3b)+2x(2a-3b)

b)2a(4x+y)-(y+4x)a

c)3x(3a-2b)+5x(3a-2b)

d)14x(a-4b)-(a-4b)

e)(3x+2y)+2(2y+3x)+(3x+2y

f)8x(2a-3b)+6x(2a-3b)-(2a-3b)


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