produof root of X2+5x-5
Answers
Answered by
0
Step-by-step explanation:
First, bring the equation to standard form:
y
=
x
2
+
5
x
+
5
=
0
Use the improved quadratic formula (Google Search)
D
=
d
2
=
b
2
−
4
a
c
=
25
−
20
=
5
-->
d
=
±
√
5
There are 2 real roots:
x
=
−
b
2
a
±
d
2
a
=
−
5
2
±
√
5
2
=
−
5
±
√
5
2
Similar questions