by using complete squaring method find the roots of the following quadratic equation if they exist x ^+ 5 = -6x
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Answer:
hey mate here is your answer...
Step-by-step explanation:
Divide by
5
x
2
+
5
9x
=−4
Add the coefficient of (
2
x
)
2
to both sides
x
2
+
5
9x
+(
2
5
9
)
2
(x+
2
5
9
)
2
=−4+
20
81
(x+
2
5
9
)
2
=
20
−80+81
x+
2
5
9
=
20
1
x=
2
5
1
−
2
5
9
=
2
5
−1
−
2
5
9
x=−
2
5
8
=−
5
4
x=−
2
5
10
=−
5
5
x=−
5
5
×
5
5
=−
5
5
5
=−
5
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