2x2-5+ 10 = 0 find (a +B) =
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Answered by
0
Step-by-step explanation:
5
±
√
105
4
y
=
2
x
2
−
5
x
−
10
=
0
D
=
d
2
=
b
2
−
4
a
c
=
25
+
80
=
105
-->
d
=
±
√
105
There are 2 real roots:
x
=
−
b
2
a
±
d
2
a
=
5
4
±
√
105
4
=
5
±
√
105
4
Answered by
0
Answer:
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Step-by-step explanation:
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