x³ - (2x-1)²= 13(x-3)+2
x do 3 - 4x do 2 - 4x + 1 = 13 x - 39 + 2
x do 3 - 4 x do 2 - 4x - 13 x =-39 + 2 + 1
x do 3 - 4 x do 2 - 17 x = - 36
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x³ - (2x-1)²= 13(x-3)+2
x do 3 - 4x do 2 - 4x + 1 = 13 x - 39 + 2
x do 3 - 4 x do 2 - 4x - 13 x =-39 + 2 + 1
x do 3 - 4 x do 2 - 17 x = - 36