November 2018 2 18 Report

Usuń nawiasy i wykonaj redukcję wyrazów podobnych:

a) 7x - 8 - (5x +6) =

b) 4(3a +4x) =

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

d) - ( - 5c -8) +( 6 - 9c) =

e) -2a (a - 5x 2) =

f) 3(2x - 3y) - 2 (5x +5y)=

g) 6 (2a - 6b +2c) =

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

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

j) (3+a) (x+2y) =

k) (y+2x+2) ( 2y +x -2) =


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