September 2018 2 25 Report

1.Wykonaj mnożenie

a) (x+2)(y+1)=

b) (2a+1)(3-b)=

c)

d) (2x-1)(y-3)=

e) (x-y)(a-b+9)=

2.wykonaj mnożenie i zrdekukuj wyrazy podobne.

a) (x+1)(x+2)=

b) (3a+4)(a-5)=

c) (2t+1)(1-3t)=

d) (3ab-7)(3-7ab)=

e) (-x+y)(5x+6y)=

f) (x+5y)(7x-y)=

g)

h) (ab-a)(2ab+6a)=


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