3(x-1)(x-2)≥ 2x² -x - 7
2x² + 9x - 5 > (2x-1)²
3(x-1)(x-2)≥ 2x² -x - 73(x²-2x-x+2)≥2x²-x - 7
3x²-9x+6≥2x²-x-7
3x²-2x²-9x+x≥-7-6
x²-8x≥ - 13
x(x - 8)≥ - 13
x≥ -13 lub x-8≥-13
x≥-13+8
x≥-5
2x² + 9x - 5 > (2x-1)²2x² + 9x -5> 4x²-4x+1
2x²- 4x² +9x - 4x >1+5
-2x² + 5x> 6
x( -2x + 5) >6
x> 6 lub -2x +5>6
-2x>6-5
-2x>1/÷(-2)
x<-½
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3(x-1)(x-2)≥ 2x² -x - 7
3(x²-2x-x+2)≥2x²-x - 7
3x²-9x+6≥2x²-x-7
3x²-2x²-9x+x≥-7-6
x²-8x≥ - 13
x(x - 8)≥ - 13
x≥ -13 lub x-8≥-13
x≥-13+8
x≥-5
2x² + 9x - 5 > (2x-1)²
2x² + 9x -5> 4x²-4x+1
2x²- 4x² +9x - 4x >1+5
-2x² + 5x> 6
x( -2x + 5) >6
x> 6 lub -2x +5>6
-2x>6-5
-2x>1/÷(-2)
x<-½