Question

expand by using identity (x+2)^2​

Answer 1

Step-by-step explanation:

The correct answer is x cube + 8

Answer 2

Answer:

Answer

Using the identity: (a+b)

2

=a

2

+b

2

+2ab.

Given:(x+

x

1

)

2

and apply the above identity by taking a=x and b=

x

1

in the given identity.

We get, (x+

x

1

)

2

=x

2

+(

x

1

)

2

+(2×x×

x

1

)=x

2

+

x

2

1

+2

Hence, (x+

x

1

)

2

=x

2

+2+

x

2

1

.

Step-by-step explanation:

hope it's help you