Explicație pas cu pas:
(5x-1)x-10≤2[4x2-(x+1)]
5x²-x-10≤8x²-2x-2
-3x²-x+2x-10+2≤0
-3x²+x-8≤0 /-1
3x²-x+8≥0
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Explicație pas cu pas:
(5x-1)x-10≤2[4x2-(x+1)]
5x²-x-10≤8x²-2x-2
-3x²-x+2x-10+2≤0
-3x²+x-8≤0 /-1
3x²-x+8≥0