Math, asked by ashokachari197, 5 months ago

solve by completing the square method x square - 2 x + 7 = 0​

Answers

Answered by Anonymous
6

Step-by-step explanation:

Move the constant term to the right side of the equation, then add whatever quantity is necessary to both sides so the left side is a square

x

2

+

2

x

7

=

0

x

2

+

2

x

=

7

If the first two terms of

(

x

+

a

)

2

=

x

2

+

2

a

x

+

a

2

are

x

2

and

2

x

then

a

=

1

x

2

+

2

x

+

1

=

7

+

1

(

x

+

1

)

2

=

8

x

+

1

=

±

8

x

=

1

±

2

2

Answered by lalitarasaily01
0

x

2

+

2

x

7

=

0

x

2

+

2

x

=

7

If the first two terms of

(

x

+

a

)

2

=

x

2

+

2

a

x

+

a

2

are

x

2

and

2

x

then

a

=

1

x

2

+

2

x

+

1

=

7

+

1

(

x

+

1

)

2

=

8

x

+

1

=

±

8

x

=

1

±

2

2

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