Question

Zad 1,2,3,4,5 pilne

Answer 1

Zad1 (x - symbol mnożenia, ^2 - potęga) 
A) -6 x -2 - (-3) = 15
b) 4 x -6 x -2 - 3 x -6 x -3 = 48 - 6 x 18 = 48 - 108 = -60
c) -6 x -2 x -3 - 2 x (-3)^2 = 12 x -3 - 2 x 9 = -36 - 18 = -54
d) -2 x -6 x -3 - 5 x (-6)^2= -36 - 5 x 36 = -36 - 180= -144