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Which one of these is a quadratic equation? | StemPy Lab
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Which one of these is a quadratic equation?
Mathematics
Easy
High School (9–10)
General
Algebra › Quadratic Equations
Created by
StemPy Lab
Which one of these is a quadratic equation?
(
x
+
1
)
2
=
x
2
+
3
(x + 1)^2 = x^2 + 3
(
x
+
1
)
2
=
x
2
+
3
x
(
x
−
2
)
=
5
x(x - 2) = 5
x
(
x
−
2
)
=
5
1
x
+
x
=
2
\dfrac{1}{x} + x = 2
x
1
+
x
=
2
x
3
−
x
=
0
x^3 - x = 0
x
3
−
x
=
0
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