x^2 - 3x - 2 = 0 solve by forumala method
Answers
Answered by
1
Step-by-step explanation:
Explanation:
x
2
−
3
x
−
2
=
0
is in the form:
a
x
2
+
b
x
+
c
=
0
with
a
=
1
,
b
=
−
3
and
c
=
−
2
We can use the quadratic formula to find the roots:
x
=
−
b
±
√
b
2
−
4
a
c
2
a
x
=
−
(
−
3
)
±
√
(
−
3
)
2
−
4
(
1
)
(
−
2
)
2
(
1
)
x
=
3
±
√
9
+
8
2
x
=
3
2
±
√
17
2
Answered by
2
Answer:
answer in attachment......
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