September 2018 1 13 Report

1. Wykonaj mnożenie.

a) (x+1)(y+z)

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

c) (a-2b)(b-5)

2.Wykonaj mnożenie i zredukuj wyrazy podobne.

a) (x-4)(y+1)+xy

b) (1-p)(3p-4)-3p

c) (k-0,5l)(k+6)+k^[2]

d) (c-1,5c)(12+c) -c^[2]

3.Rozwiąż równanie.

a) 2x(x+1)=2x^[2]+4

b) (x-1)(x+2)=x^[2]+5

c) (x+2)(x-1)=x^[2]+5

d) (x-5)(x-10)=x(x+5)


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