September 2018 2 14 Report

1.Doprowadź wyrażenia do najprostszej postaci i oblicz ich wartości dla podanych zmiennyc.

a) (x - 3)^2 + 2 (2x + 1)^2 - 3 (x - 2) (x + 2) dla x= -2

b) -3 (2x - 5)^2 - (x - 4) (x + 4) + 6 (x + 2)^2 dla x= -1

c) (a - 2b)^2 - 3 (3a - b) + 10 (2a + 3b)^2 dla a= -1 i b= 1

d) (2a - 3b) (3b + 2a) - 2 (a - 3b)^2 - (2a + b)^2 dla a= 3 i b= -1


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