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(0,2x - 1)² + 7 > (1+0,1x)² + 0,03x²
0,04x² - 0,4x +1 +7 > 1 + 0,2x + 0,01x² + 0,03x²
0,04x² - 0,4x + 8 > 0,04x² +0,2x +1
0,04x² -0,4x -0,04x² -0,2x > 1 - 8
- 0,6x > -7
x < (-7) : (-0,6)
x < (-7):(-3/5)
x < (-7)*(-5/3)
x < 35/3
x < 11⅔
x ∈ N
x = { 1,2,3,4,5,6,7,8,9,10,11]