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Byju's Answer
Standard X
Mathematics
Quadratic Equations
Check whether...
Question
Check whether the following is quadratic equation.
x
2
−
2
x
=
(
−
2
)
(
3
−
x
)
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Solution
x
2
−
2
x
=
(
−
2
)
(
3
−
x
)
⇒
x
2
−
2
x
=
−
6
+
6
x
⇒
x
2
−
2
x
−
6
x
+
6
=
0
⇒
x
2
−
8
x
+
6
=
0
⇒
A quadratic equation is an equation of the second degree, meaning it contains at least one term that is squared.
⇒
Comparing given equation
x
2
−
8
x
+
6
=
0
with standard form of quadratic equation
a
x
2
+
b
x
+
c
=
0.
⇒
We get,
a
=
1
,
b
=
−
8
,
c
=
6
∴
Given equation is quadratic equation.
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