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2)3x²-5x+2≥0
3)4x²-4x+1≤0
1)-3(x-1)(4-2)≤0
-3x-3-12-6<0
2)3x²-5x+2≥0
9x-5x+2>0
14x+2
3)4x²-4x+1≤0
16x-4x+1<0
12x+1<0
2)-2x+2
3)x+1
-3x+1(4-2)≤0
-12x+4+6x-2≤0
-12x+6x≤0-4+2
-6x≤-2/:(-6)
x≤2/6
3x²-5x+2≥0
9x-5x≥0-2
4x≥-2/:4
x≥-0,5
4x²-4x+1≤0
16x-4x+1≤0
12x≤0-1
12x≤-1/:12
x≤-1/12
Myślę, że pomogłam.
Pozdro ;)