Find all real solutions of equation
2
x
2
+
4
x
+
7
=
0
\displaystyle {2}{x}^{{2}}+{4}{x}+{7}={0}
2
x
2
+
4
x
+
7
=
0
.
Does the equation have real solutions?
?
Yes
No
If your answer is Yes, input the solutions:
x
1
=
\displaystyle {x}_{{1}}=
x
1
=
and
x
2
=
\displaystyle {x}_{{2}}=
x
2
=
with
x
1
≤
x
2
\displaystyle {x}_{{1}}\le{x}_{{2}}
x
1
≤
x
2
.
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Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity