Question

completing square 22 2 x square - 7 x square + 3 is equal to zero
​

Answer 1

Step-by-step explanation:

. 2x

2

−7x+3=0

⇒x

2

−

2

7

x=−

2

3

Adding (

4

7

)

2

on both sides

⇒x

2

−

2

7

x+(

4

7

)

2

=

2

−3

+(

4

7

)

2

⇒(x−

4

7

)

2

=

2

−3

+

16

49

⇒(x−

4

7

)

2

=

16

25

⇒(x−

4

7

)

2

=(

4

5

)

2

Taking square root on both sides

⇒(x−

4

7

)=±

4

5

⇒x−

4

7

=

4

5

, x−

4

7

=

4

−5

x=

4

5

+

4

7

x=

4

−5

+

4

7

x=3 x=

2

1

Answer 2

Answer:

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from Uttar Pradesh

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