Which of the following represents a difference of squares binomial?

(k – 3)2

k4 – 81

k4 + 81

(k2 – 9)2

Question

Which of the following represents a difference of squares binomial?

 (k – 3)2

 k4 – 81

 k4 + 81

 (k2 – 9)2

anonymous · Answer

Can anyone help?

jhonyy9 · Answer

how do you think what mean binomial ?

jhonyy9 · Answer

so and squares binomial ?

and so difference of squares binomial ?

do you know it ?

anonymous · Answer

I really dont understand what you mean or whats  going on in the problem...

jhonyy9 · Answer

so this is the first step 

you need to know firstly what mean the word ,,binomial" 

this is like -- monom -- from this monomial

binom from this binomial

and so hence till 

polinom ---- polinomial

ok ?

anonymous · Answer

okay thx

jhonyy9 · Answer

yw

good luck

bye