hayleyshaw44 hayleyshaw44

07-03-2021
Mathematics

contestada

solve: x^4-34x^2=-225

Respuesta :

jaisabor jaisabor

07-03-2021

x
4
−34x
2
+225=0

2 Factor
x
4
−
34
x
2
+
225
x
4
−34x
2
+225.
(
x
2
−
25
)
(
x
2
−
9
)
=
0
(x
2
−25)(x
2
−9)=0

3 Solve for
x
x.
x
=
±
5
,
±
3
x=±5,±3

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