September 2018 1 8 Report

1. Pszekształć iloczyny na sumy.

a) (\sqrt{3} + 1) (2\sqrt{3} - 2)

b) (\sqrt{2} + \sqrt{3} ) (\sqrt{6} + \sqrt{3} )

c) (x \sqrt{2} + 1) (x - 2\sqrt{2} )

d) (x + \sqrt{2} ) (2\sqrt{2} + x)

2. Zapisz w postaci sumy algebraicznej.

a) (x + 3)^{2}

b) (a - 2)^{2}

c) (2x + 5)^{2}


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