jakailamurry
jakailamurry
06-03-2017
Mathematics
contestada
Edna says that when (x-2)^2=9
Respuesta :
Аноним
Аноним
06-03-2017
If you are solving for x then it is:
5, -1
Answer Link
rajy
rajy
06-03-2017
(
x−2
)
2
=9
x2
−
4x
+4
=9
x2
−
4x
+4
−9
=
9−9
x2
−
4x
−5
=0
(
x+1
)
(
x−5
)
=0
x+1
=
0
or
x
−5
=0
Answer:
x=
−
1
or
x
=
5
Answer Link
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