Copie substituindo os Quadrados e completando as fatorações
a)
bx + by = b (∎)
bx + by = b(x + y)
(∎) = (x + y)
b)
ap + bp + cp = p (∎)
p(a + b + c)
(∎) (a + b + c)
c) 4a + 8b = 4 (∎)
4(a + 2b)
(∎) = (a + 2b)
d)
xyz + yz + z = z (∎)
z(xy + y + 1)
(∎) = (ay + y + 1)
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Copie substituindo os Quadrados e completando as fatorações
a)
bx + by = b (∎)
bx + by = b(x + y)
(∎) = (x + y)
b)
ap + bp + cp = p (∎)
p(a + b + c)
(∎) (a + b + c)
c) 4a + 8b = 4 (∎)
4(a + 2b)
(∎) = (a + 2b)
d)
xyz + yz + z = z (∎)
z(xy + y + 1)
(∎) = (ay + y + 1)