Odpowiedź :
(x-2)(x+3) ≥ (x-5)(x-6)
x²+3x-2x-6 ≥ x²-6x-5x+30
3x+6x+5x ≥ 30+6
14x ≥ 36 /:14
x ≥ 36/14
x ≥ 2,57
x²+3x-2x-6 ≥ x²-6x-5x+30
3x+6x+5x ≥ 30+6
14x ≥ 36 /:14
x ≥ 36/14
x ≥ 2,57
(x-2)(x+3)>=(x-5)(x-6)
x²+3x-2x-6 >= x²-6x-5x+30
-6-30>= -6x-5x-3x
-36>= -14x
2,57 >= x
x²+3x-2x-6 >= x²-6x-5x+30
-6-30>= -6x-5x-3x
-36>= -14x
2,57 >= x