| (x+2)(x+1) | |
≥ −3x | |
| x2−|x|−2 |
| (x+2)(x+1) | |
≥ − 3x | |
| x2+x−2 |
| (x+2)(x+1) | |
≥ − 3x | |
| (x−1)(x+2) |
| (x+1) | |
≥ − 3x | |
| (x−1) |
| (x+1) | 3x(x−1) | ||
+ | ≥ 0 | ||
| (x−1) | x−1 |
| 3x2 − 3x + x + 1 | |
≥ 0 | |
| x−1 |
| 3x2 − 2x +1 | |
≥0 | |
| x−1 |
| (x+2)(x+1) | |
≥ − 3x | |
| x2−x−2 |
| (x+2)(x+1) | |
≥ − 3x | |
| (x+1)(x−2) |
| (x+2) | |
≥ − 3x | |
| (x−2) |
| (x+2) | 3x(x−2) | ||
+ | ≥ 0 | ||
| (x−2) | x−2 |
| 3x2 − 6x + x + 2 | |
≥ 0 | |
| x−2 |
| 3x2 − 5x + 2 | |
≥0 | |
| x−2 |
| 2 | ||
x∊< | ;1> U (2;∞) | |
| 3 |
| 2 | ||
x∊< | ;1> U (2;∞) | |
| 3 |
jeszcze jedno pytanie tylko między 1) i 2) będzie znak
i czy lub ?