Número 1 = A
Número 2 = B
* La suma es 18
A + B = 18
B = 18 - A
* El producto es -88
A × B = -88
A × ( 18 - A ) = -88
18A - A² = -88
0 = A² - 18A + 81
A -9
( A - 9 ) ( A - 9 ) = 0
A - 9 = 0
A = 9
*Si A = 9, entonces:
9 + B = 18
B = 9
*En conclusión, A=9 y B=9.
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Número 1 = A
Número 2 = B
* La suma es 18
A + B = 18
B = 18 - A
* El producto es -88
A × B = -88
A × ( 18 - A ) = -88
18A - A² = -88
0 = A² - 18A + 81
A -9
A -9
( A - 9 ) ( A - 9 ) = 0
A - 9 = 0
A = 9
*Si A = 9, entonces:
A + B = 18
9 + B = 18
B = 9
*En conclusión, A=9 y B=9.