If the factors of 3x²-8x+ 4 are (ax+b), x+b then the value of a and b are
3, 2
-3,2
3,-2
-3,-2
Answers
Answered by
3
Step-by-step explanation:
Use the formula:
x
=
−
b
±
√
b
2
−
4
a
c
2
a
to find:
x
=
4
±
√
10
3
Explanation:
3
x
2
−
8
x
+
2
=
0
is of the form
a
x
2
+
b
x
+
c
=
0
, with
a
=
3
,
b
=
−
8
and
c
=
2
This has roots given by the quadratic formula:
x
=
−
b
±
√
b
2
−
4
a
c
2
a
=
8
±
√
(
−
8
)
2
−
(
4
⋅
3
⋅
2
)
2
⋅
3
=
8
±
√
64
−
24
6
=
8
±
√
40
6
=
8
±
√
2
2
⋅
10
6
=
8
±
2
√
10
6
=
4
±
√
10
3
Answered by
1
Answer:
3,-2 is the correct answer.
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