Question

xfaaa es para hoy
Resolver:
a) 6 – 3x = 14 – 7x
b) 6.(2-x) = -2. (9x+7)
c) x3+16= x –12
d) (x-2). (x+2) + 2x = 4.(x-1)
e) 2x2 - 4 = -2
f) x2+7x+12 = 0
g) 2x2-4x+5 = 0
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Answer 1

Respuesta:

a) 6 – 3x = 14 – 7x

X=2

b) 6.(2-x) = -2. (9x+7)

x=-2.16

c) x3+16= x –12

x= -14

d) (x-2). (x+2) + 2x = 4.(x-1)

x1= 0

X2= 2

e) 2x2 - 4 = -2

x=1/2

f) x2+7x+12 = 0

x= 1

x= -1

g) 2x2-4x+5 = 0

x=no exist