Write the following into completing square method of 9xsquare - 15x +6=0 plz say guys its urgent.
Answers
Answered by
1
Answer:
hope it helps
Step-by-step explanation:
9x²-15x+6 = 0
9x²-9x-6x+6 = 0
9x(x-1) - 6(x-1) = 0
(x-1) (9x-6) = 0
Either,
x-1=0
x=1
or,
9x-6 = 0
9x=6
x= 6÷9
x= 2÷3
Answered by
0
Answer:
9x
2
−15x+6=0
⇒(3x)
2
−(3x)(5)+6=0
⇒(3x)
2
−(3x)2(
2
5
)+6=0
⇒[(3x)
2
−(3x)×(2)×(
2
5
)+(
2
5
)
2
]−(
2
5
)
2
+6=0
⇒(3x−
2
5
)
2
−
4
25
+6=0
⇒(3x−
2
5
)
2
=
4
25
−6
⇒(3x−
2
5
)
2
=
4
1
⇒3x−
2
5
=−
2
1
or 3x−
2
5
=
2
1
⇒3x=
2
5
−
2
1
or 3x=
2
5
+
2
1
⇒3x=
2
4
or 3x=
2
6
⇒x=
3
2
or x=1
∴x=
3
2
or 1
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