h2. Restrictii
* $-10^9^ ≤ A, B, C ≤ 10^9^$

* $A, C ≠ 0$

* $A, B, C ≠ 0$

h2. Exemplu
table(example). |_. ecuatie.in |_. ecuatie.out |

| 4 8 -12 9
| (2x-2)(2x+6) |

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h3. Explicatie

Toate posibilitatile de a rescrie $4x^2^+8x-12$ sunt:
$(-4x-12)(-x+1)$
$(-4x+4)(-x-3)$
$(-2x-6)(-2x+2)$
$(-2x+2)(-2x-6)$
$(-x-3)(-4x+4)$
$(-x+1)(-4x-12)$
$(x-1)(4x+12)$
$(x+3)(4x-4)$
$*(2x-2)(2x+6)*$
$(2x+6)(2x-2)$
$(4x-4)(x+3)$
$(4x+12)(x-1)$

...

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