Question

Fatore as expressões:
A)3aby+6ab+3abx
B)a elevado a 2 -7a+2ax-14x
C)8a elevado a 2 -
D)(x+8) elevado a 2 -25
E)x elevado a 2 -36
F)4x-4xy+y elevado a 2
G)9a elevado a 2 -6a+1
H)7x elevado a 2 -28
I)3x elevado a 2 -24xy+48y elevado a 2
J) b elevado a 4 -c elevado a 4
K) a elevado a 5-a elevado a 3 b elevado a 2

Answer 1

a) 3aby+6ab+3abx=
3ab(y+2+x)=

b)a^2-7a+2ax-14x=
a.(a-7)+2x(a-7)

c)
d)(x+8)^2-25=
(x+8).(x+8)-25=
x^2+8x+8x+64-25=
x^2+18x-39

e)x^2-36
(x-6).(x+6)

f)4x-4xy+y^2=
y^2-4xy+4x=
y.(y)-4x(y+1)

g)9a^2-6a+1=
81a^2-6a+1=
3a(27a-2)+1

h)7x^2-28=
7x.7x-28=
49x-28=
7(7x-4)

i)3x^2-24xy+48y^2=
3x(x-8y)+48y^2

j) b^4-c^4=
(b^2-c^2).(b^2+c^2)

k)a^5-a^3