x2-7x+5=0????????????????????????
Answers
Answered by
3
Step-by-step explanation:
Explanation:
x
2
−
7
x
−
5
=
0
Quadratic formula is
x
=
−
b
±
√
b
2
−
4
a
c
2
a
Values given
a
=
1
,
b
=
−
7
,
c
=
−
5
x
=
−
(
−
7
)
±
√
(
−
7
)
2
−
4
×
1
×
(
−
5
)
2
×
1
x
=
7
±
√
49
+
20
2
x
=
7
±
√
69
2
x
=
7
+
√
69
2
and
x
=
7
−
√
69
2
∴
x
=
7.65
and
x
=
−
0.65
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