Solve the following quadratic equation by formula method
1) √2 x² + 7x + 5 √2 = 0
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2
x
2
+7x+5
2
=0
or,
2
x
2
+2x+5x+5
2
=0
or, x
2
(x+
2
)+5(x+
2
)=0
or, (x
2
+5)(x+
2
)=0
⇒x=− 2
5
,−
2.
Step-by-step explanation:
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