Un terreno tiene 4X2 - 4X - 3 de área. ¿Cuanto mide por cada lado?
a) (x - 3)(x+1)
b) (2x-3)(2x+1
c) (2x -2)(2x+1)
d) (x+5)(x-2)
a) (x - 3)(x+1)
b) (2x-3)(2x+1
c) (2x -2)(2x+1)
d) (x+5)(x-2)
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A = 4x^2 - 4x - 3
Factorizando:
A = (2x - 3) (2x + 1)