quadratic equations
Solve the
by using formula only
2x^2-6x+3
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Answered by
0
2x
2
−6x+3=0
⇒2(x
2
−3x+
2
3
)=0
⇒x
2
−3x+
2
3
=0
⇒x
2
−3x+
2
3
=0
⇒x
2
−2×
2
3
x+
4
9
−
4
9
+
2
3
=0
⇒(x−
2
3
)
2
=
4
9
−
2
3
⇒(x−
2
3
)
2
=
4
9−6
⇒(x−
2
3
)
2
=
4
3
⇒x−
2
3
=±
2
3
∴x=
2
3±
3
Answered by
1
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