Explicación paso a paso:
A = bh
x²-9 = b(x+3)
(x+3)(x-3)= b(x+3)
b = x-3
____
P : 2(x-3)+2(x+3)
p = 4x
Respuesta : 4x
xd
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Explicación paso a paso:
A = bh
x²-9 = b(x+3)
(x+3)(x-3)= b(x+3)
b = x-3
____
P : 2(x-3)+2(x+3)
p = 4x
Respuesta : 4x
xd