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B=base mayer
b=base menor
h=altura
a=B*b*h
2
96=(x-6)(x+6)8
2
96=(x²-6²)4
24=x²-36
60=x²
√60=x
los lados midem
√60-6 =x-6
√60+6=x+6
204=(x-1)(x+4)
204=x²+4x-x-4
204=x²+3x-4
x²+3x-4-204=0
x²+3x-208=0
(x+16)(x-13)=0
x=-16
x=13
x-1=13-1=12
x+4=13+4=17
x=numero
2x+3x²=161
3x²+2x-161=0
x=-2+-√4-(4*3*-161)
6
x=-2+-√1936
6
x1=-2+44= 42= 7 respuesta 7 es el numero
6 6
x2=-2-44=-46
6 6