Question

2x²-4x+1/2=0 solve the following quadratic equation by factorisation​

Answer 1

Step-by-step explanation:

zin1447

Apr 30, 2018

Add one and then divide by 2

Explanation:

First add 1 to each side

2

x

2

+

4

x

+

2

=

1

Then divide each side by two:

x

2

+

2

x

+

1

=

1

2

Then you see that

x

2

+

2

x

+

1

=

(

x

+

1

)

2

(

x

+

1

)

2

=

1

2

Take the square root of each side:

x

+

1

=

1

√

2

x

=

1

√

2

−

1

=

√

2

−

2

2