Respuesta:
Explicación paso a paso:
A = (2x + 5)(2x - 8) - (2x - 3)²
A = 4x²-6x -40-(4x²-12x +9)
A = 4x²-6x -40 - 4x²+12x -9
A = 6x - 49
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Respuesta:
A = 6x - 49
Explicación paso a paso:
A = (2x + 5)(2x - 8) - (2x - 3)²
A = 4x²-6x -40-(4x²-12x +9)
A = 4x²-6x -40 - 4x²+12x -9
A = 6x - 49