November 2018 1 23 Report

przekształcanie wyrażeń wymiernych

1) (4 + 3y) (4 - 3y) - (4 - y)² =

2) 2(3 - x) (3 + x) - (1 - 2x)² + (2-x)² =

3) ( √3 - √2b) ( √3 + √2b) (3 + 2b) - a² + 3b² =

proszę pomóżcie mi. Nie jestem dobra z matmy :)


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