Una expresión equivale a x2 + 7x + 12, es:
a.
(x + 4)(x + 3)
b.
(x + 12)(x + 1)
c.
(x + 6)(x + 2)
d.
(x – 4)(x – 3)
AYUDA
a.
(x + 4)(x + 3)
b.
(x + 12)(x + 1)
c.
(x + 6)(x + 2)
d.
(x – 4)(x – 3)
AYUDA
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Explicación paso a paso:
x²+ 7x+ 12
x +3
x +4
(x+3)(x+4)