Question

Expand the squared binomial.

(x 4)2

Answer 1

what is multiplied by 4?. Use binomial theorem ( ) (
) (
) (
) N
where
!
!( )!

Answer 2

sorry

Answer 3

if it is square then formula is (a+b)^2=a^2+2*a*b+b^2

Answer 4

x2 16???

Answer 5

+

Answer 6

\[(a+b)^{n}=a^{n}+\left(\begin{matrix}n \\ 1\end{matrix}\right)a ^{n-1}b+...till +b\]

Answer 7

b is in "n" degree

Answer 8

I came up with ---- x2 + 8x 16

Answer 9

Am I doing something wrong?

Answer 10

is "x" a variable or sign of multiplication?

Answer 11

is 2 is square?

Answer 12

Yeah.

Answer 13

Multiplication.

Answer 14

then what the number is placed before "x"?

Answer 15

2 squared.

Answer 16

\[(2^{2}*4)^{2}\]

Answer 17

right?

Answer 18

No, (x-4)2

Answer 19

then, \[x^{2}-2*x*4+4^{2}\] =>> \[x^{2}-8x+16\]

Answer 20

ok?

Answer 21

Yep, Thanks.