Respuesta:
X = 8
Explicación paso a paso:
AL= 2P * H
480= (9+X+13)* 2X
480 = (22+X)*2X
480= 44X + 2X^2
0=X^2+22X-240
X= -30
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Respuesta:
X = 8
Explicación paso a paso:
AL= 2P * H
480= (9+X+13)* 2X
480 = (22+X)*2X
480= 44X + 2X^2
0=X^2+22X-240
X= -30
X = 8